Part 3.

 

 

Duke Albrecht I of Braunschweig (see Part 2) had issue:

 

1a) Heinrich I, Duke of Braunschweig-Grubenhagen, zu Eversten, Grubenhagen, Salzderhelden, Einbek, Hameln, Katlenburg, Lauterburg-Scharzfeld, Bodenstein, Gieboldehausen, Lindau, Seeburg, Osterode, Duderstadt, Westerhof, usw, Pfgf von Sachsen (1267-Salzderhelden 7 Sep 1322; bur Braunschweig Dom); m.1282 Agnes (d.after 1 Feb 1332) dau.of Mgve Albrecht of Meissen

 

1b) Alsine, b.ca 1282, d.after 17 Nov 1312; m.ca 1306 Friedrich Gf von Beichlingen-Rothenburg

 

2b) Otto, b.ca 1283, d.by 21 Sep 1309

 

3b) Albrecht, b.ca 1284, d.after 1341

 

4b) Adelheid (ca 1285-18 Aug 1320; bur Stams); m.Innsbruck 18 Sep 1315 Duke Heinrich of Carinthia, Gf von Tirol, King of Bohemia (d.2 Apr 1335)

 

5b) Facie (ca 1286-1309/12)

 

6b) Agnes, a nun in Osterode, b.ca 1287, d.after 7 Sep 1332

 

7b) Heinrich II, Duke of Braunschweig-Grubenhagen (ca 1289-1351; bur Grubenhagen); m.1st by 16 Apr 1318 Jutta (1299/1306-1325/27), dau.of Mgve Heinrich I of Brandenburg; m.2nd 23 Aug 1330 Heloise (d.after 25 May 1347) dau.of Philippe d'Ibelin, Seneschal of Cyprus and Jerusalem

 

[by 1st m.]:

 

1c) Otto, Duke of Braunschweig-Grubenhagen, Pr of Taranto and Achaia 1376 (1320-1 Dec 1398/13 May 1399; bur Foggia); m.1st 1352 Yolande, Vcts d’Omelas, Dowager Queen of Mallorca (d.by 1372) dau.of Berengar de Villaragut; m.2nd Naples 1376 Queen Joanna I of Naples (1326-12 May 1382)

 

2c) Johann, a canon in Halberstadt, d.after 4 Dec 1346

 

3c) Ludwig, a canon in Camin, d.after 26 May 1373

 

4c) Agnes (1318-1371; bur St.Otto, Stettin); m.Duke Barnim III of Pomerania (d.1368)

 

[by 2nd m.]:

 

5c) Philipp, Constable of the Kingdom of Jerusalem (ca 1332-4 Aug 1369); m.1st ca 1352 Helisia, dau.of Eudes de Dampierre, Constable of Jerusalem, and widow of Agne de Bethsan; m.2nd 1368 Alix (b.1304/6, d.after 6 Aug 1386), dau of Guy d’Ibelin, and widow of Hugh de Lusignan, King of Cyprus

 

1d) [by 1st m.] Johann, Admiral of Cyprus, d.11 Jun 1414, bur Omoloitadis nr Nicosia

 

2d) [by 1st m.] Helisia (1353-15 Jan 1422; bur S.Domenico, Nicosia); m.1365 Jacques de Lusignan, King of Cyprus and Armenia (d.9 Sep 1398)

 

6c) Balthasar, Despot of Romania 1376, d.after 14 Jan 1385; m.1379 Jacobella (d.after 25 May 1400) dau.of Cte Honorato Caetani di Fondi (and later wife of Henri de Blois-Châtillon)

 

7c) Thomas, an Augustinian at Nordhausen (d.Nordhausen 1384)

 

8c) Melchior, Bp of Osnabrück 1369-75 and Schwerin 1376-81 (ca 1341-Bützow 6 Jun 1381; bur St.Elisabethkirche, Bützow)

 

9c) Riddag, b.ca 1334, d.1364/7

 

10c) Helvis; m.Louis de Nores (d.1369)

 

8b) Friedrich, a Cistercian (ca 1291-ca 1323)

 

9b) Adelheid=Irene (ca 1293-Rhaidestes 16 Aug 1324; bur Libis Cloister, Constantinople); m.Mar 1318 Emperor Andronicos III Paleologos of Byzantium (d.15 Jun 1341)

 

10b) Konrad, a Cistercian (b.ca 1294, d.after 21 Dec 1320)

 

11b) Mechtild, b.ca 1295, d.by 14 Mar 1344, bur Dominican Kloster, Röbel; m.by 22 May 1318 Johann II von Werle (d.27 Aug 1337)

 

12b) Ernst I, Duke of Braunschweig, zu Einbeck 1325, zu Everstein 1327, zu Osterode 1334, zu Hameln 1335 (1297-11 Mar 1361; bur St.Alexander, Einbeck); m.1335/6 Adelheid (d.after 29 Sep 1373) dau.of Heinrich Gf von Everstein

 

1c) Otto, b.ca 1337, d.young

 

2c) Albrecht I von Salzderhelden, Duke of Braunschweig, in Grubenhagen und Einbeck 1359/61, b.ca 1339, d.Salzderhelden 1383, bur St.Alexander, Einbeck; m.by 17 Aug 1372 Agnes (d.21 Mar 1410) dau.of Duke Magnus of Braunschweig

 

1d) Erich von Salzderhelden, Duke of Braunschweig-Grubenhagen (ca 1380-28 May 1427; bur St.Alexander, Einbeck); m.1/14 Jul 1405 Elisabeth (d.after 29 Sep 1444) dau.of Duke Otto of Braunschweig-Göttingen

 

1e) Agnes, Abbess of Gandersheim 1412-39 (ca 1406-18 Sep 1439)

 

2e) Sophie, Abbess of Gandersheim 1467-85 (ca 1407-6 Jan 30/Apr 1485)

 

3e) Elisabeth (ca 1409-4 Oct 1452); m.1431 Duke Kasimir VI of Pomerania (d.12 Apr 1435)

 

4e) Margarete, b.ca 1411, d.after 31 Oct 1456; m.shortly before 27 Sep 1427 Simon IV zur Lippe (d.11 Aug 1429)

 

5e) Heinrich III, Duke of Braunschweig-Grubenhagen (ca 1416-Grubenhagen 27 May/20 Dec 1464; bur St.Alexander, Einbeck); m.by 27 Jun 1457 Margarete (d.Salzderhelden after 9 May 1491) dau.of  Duke Johann I of Sagan, and widow of Volrad Gf von Mansfeld, and of Heinrich Gf von Honstein

 

1f) Otto, b.ca 1458, d.young

 

2f) Heinrich IV, Duke of Braunschweig-Grubenhagen, in Salzderhelden and ½ Grubenhagen (1460-Salzderhelden 6 Dec 1526); m.Einbeck 26 Aug 1494 Elisabeth (test 7 Apr 1542) dau.of Duke Johann IV of Saxe-Lauenburg

 

6e) Ernst III, Duke of Braunschweig-Grubenhagen (ca 1418-26 May 12 Dec 1466; bur Einbeck)

 

7e) Albrecht III, Duke of Braunschweig-Grubenhagen, 1481 in Herzberg & Osterode & ½ Grubenhagen (1 Nov 1419-15 Aug 1485; bur St.Jacobi, Osterode); m.Einbeck 15 Oct 1471 Elisabeth (d.after 15 Mar 1513) dau.of Volrad Gf von Waldeck

 

1f) Justus, b.and d.Salzderhelden 1472, bur Einbeck Augustinerkirche

 

2f) Sophie (ca 1474-ca 1481)

 

3f) Philipp I, Duke of Braunschweig-Griubenhagen (ca 1476-Herzeberg 4 Sep 1551; bur Ägidiuskirche, Osterode); m.1st by 1508 NN (d.1509); m.2nd 1517 Katharina (1 Oct 1501-Herzberg 1535; bur St.Jakobikirche, Osterode) dau.of Ernst Gf von Mansfeld

 

1g) Philipp (1509-Herzberg 1512; bur Herzberg)

 

2g) Ernst V, Duke of Braunschweig-Grubenhagen, 1566 Duke of Braunschweig and Lüneburg (17 Dec 1518-Herzberg 2 Apr 1567; bur Ägidiuskirche, Osterode); m.Wolgast 9 Oct 1547 Margarete (May 1518-Salzderhelden 24 Jun 1569; bur Ägidiuskirche, Osterode) dau.of Duke Georg of Pomerania

 

1h) Elisabeth (Salzderhelden 20 Mar 1550-Osterholm auf Alsen 11 Feb 1586;bur Sonderburg Schloßkapelle); m.Kolding 19 Sep 1568 Duke Johann of Schleswig-Holstein-Sonderburg (d.Glücksburg 9 Oct 1622)

 

3g) Elisabeth (18 Feb 1520-1520; bur St.Jacobi, Osterode)

 

4g) Albrecht (Herzberg 20/21 Oct 1521-k.a.Nördlingen 20 Oct 1546; bur St.Georg, Nördlingen)

 

5g) Philipp (Herzberg 10 Jun 1523-Herzberg 1531; bur Herzberg)

 

6g) Katharina (30 Aug 1524-Saalfeld 24 Feb 1581;bur St.Johannis, Saalfeld); m.1st Torgau 12 Feb 1542 Duke Johann Ernst of Saxe-Coburg (d.Coburg 8 Feb 1553); m.2nd Saalfeld 4 Dec 1559 Philipp I Gf von Schwarzburg-Leutenberg (d.Leipzig 8 Oct 1564)

 

7g) Johann (28 May 1526-k.a.Saint-Quentin 2 Sep 1557; bur Cambrai)

 

8g) Barbara (Herzberg 25 Jan 1528-Herzberg summer 1528; bur Herzberg)

 

9g) Wolfgang, Duke of Braunschweig-Grubenhagen, 1567 in Katlenburg u.Grubenhagen (Herzberg 6 Apr 1531-Herzberg 14 Mar 1595; bur Ägidiuskirche, Osterode); m.Osterode 10 Dec 1570 Dorothea (Lüneburg 11 Mar 1543-Herzberg 5 Apr 1586; bur Ägidiuskirche, Osterode) dau.of Duke Franz I of Saxe-Lauenburg

 

10g) Philipp II, Duke of Braunschweig-Grubenhagen, 1567 in Herzberg u.Osterode, 1595 in Grubenhagen (Herzberg 2 May 1533-Herzberg 4 Apr 1596; bur Ägidiuskirche, Osterode); m.Wolfenbüttel 1 Jul 1560 Klara (1532-1595; bur Ägidiuskirche, Osterode) dau.of Duke Heinrich II of Braunschweig-Wolfenbüttel; on Philipp’s death Grubenhagen went to Duke Heinrich Julius of Braunschweig-Wolfenbüttel

 

4f) Ernst IV (ca 1477-1494/6)

 

5f) Erich, Bp of Osnabrück 1509-32, Elekt of Münster 1532 (ca 1478-Fürstenau 14 May 1532; bur Osnabrück Dom)

 

8e) Anna, d.Nannhofen 9 Oct 1474, bur Andechs; m.1st Munich 22 Jan 1437 Duke Albrecht III of Bavaria (d.Munich 29 Feb 1460); m.2nd Munich Feb 1463 (sep 1467) Duke Friedrich II of Braunschweig-Lüneburg (d.1495)

 

3c) Adelheid (ca 1341-ca 1406); m.ca 1362 Duke Bogislaw V of Pomerania (d.1374)

 

4c) Agnes, b.ca 1342, d.after 5 Nov 1394; m.by 1362 Ulrich Gf von Honstein (d.after 11 Sep 1414)

 

5c) Anna, b.ca 1343, d.by 1409; m.by 5 Jan 1364 Heinrich Gf von Honstein (d.1408/9)

 

6c) Johann II, Duke of Braunschweig-Osterode, a canon in Hildesheim, Einbeck and Mainz, d.18 Jan 1401

 

7c) Ernst II, in Herzberg 1384, Abbot of Corvey 1369 (ca 1346-13 Jul 1400/21 May 1402)

 

8c) Friedrich, Duke of Braunschweig, in Herzberg 1384, in Salzderhelden 1397, in Herzberg & Osterode 1402 (ca 1350-1421; bur Einbeck); m.Adelheid of Anhalt (d.after 29 Sep 1405)

 

1d) Otto II (ca 1396-6 Jan/16 Apr 1452); m.18 Jul/22 Sep 1414 Schonette (d.Hildesheim 25 Apr 1436; bur Hildesheim Dom) dau.of Johann Gf von Nassau-Saarbrücken

 

1e) [illegitimate] Otto, a canon in Braunschweig fl 1444/63

 

9c) Anna, Abbess in Osterode, b.ca 1360, d.after 10 May 1437

 

13b) Wilhelm, zu Burg Osterode, Burg Lichtenstein u.½ Lauterburg, and 1/3 Duderstadt 1325 (ca 1298-21 Jun/25 Jul 1360)

 

14b) Johann, a canon in Einbeck, Münster, Mainz, etc, d.23 May 1367

 

15b) Richardis, a nun, b.ca 1300, fl 1331/2

 

16b) Margarete, d.after 17 Nov 1312

 

2a) Albrecht II, Duke of Braunschweig-Göttingen (ca 1268-22 Sep 1318; bur Braunschweig Dom); m.10 Jan 1284 Rixa (d.after 2 Oct 1312; bur Göttingen Barfüsserkloster), dau.of Heinrich I Fst von Werle

 

1b) Otto, Duke of Braunschweig-Göttingen (25 Mar 1290-Göttingen 30 Aug 1344; bur Braunschweig Dom); m.1st 24 Mar/2 Oct 1311 Jutta (d.13 Oct 1317; bur Braunschweig Dom) dau.of Ldgve Heinrich I of Hesse; m.2nd 16 Sep/22 Dec 1319 Agnes (1296/8-28 Nov 1334) dau.of Mgve Hermann of Brandenburg, and widow of Mgve Waldemar of Brandenburg

 

2b) Adelheid (25 Mar 1290-14 Mar/12 Oct 1311; bur Kl Ahnaberg, Kassel); m.Aug 1306 Ldgve Johann of Hesse (d.Kassel 16 Feb 1322)

 

3b) Albrecht, Bp of Halberstadt 1325/57, d.13 Oct 1359; bur Braunschweig Dom

 

4b) Wilhelm, b.ca 1295, d.by 1318

 

5b) Heinrich, Bp of Hildesheim 1354/63 (1296/7-6 Feb 1363; bur Hildesheim Dom)

 

6b) Johann, a Teutonic Knight fl 1309/47

 

7b) Richenza, b.1298, d.by 26 Apr 1317

 

8b) Matilde, d.after 28 Oct 1357; m.by 1341 Gf Heinrich V von Honstein (d.1356)

 

9b) Jutta, Elekta of Gandersheim 1319 (1300-1332)

 

10b) Bruno (1303-31 Oct 1306; bur Göttingen Barfüsserkloster)

 

11b) Lüder, b.ca 1309, d.after 17 May 1319

 

12b) Magnus I, Duke of Braunschweig in Braunschweig 1345 (ca 1304-15 Jun/15 Aug 1369; bur St.Michaelis, Lüneburg); m.1327 Sophie (1300-1356) dau.of Mgve Heinrich I of Brandenburg

 

1c) Magnus II, 1368 Duke of Braunschweig-Lüneburg (ca 1328-k.a.Leveste 25 Jul 1373; bur Braunschweig Dom); m.by 6 Oct 1356 Katharina (d.30 Jan 1390;bur St.Michaelis, Lüneburg) dau.of Fst Bernhard III of Anhalt-Bernburg

 

1d) Agnes, d.21 Mar 1410; m.by 17 Aug 1371 Duke Albrecht II of Braunschweig-Grubenhagen (d.1383)

 

2d) Sophie, b.ca 1358, d.by 28 May 1416; m.8 Apr 1373 Duke Erich IV of Saxe-Lauenburg (d.1411/2)

 

3d) Agnes, d.1 Aug 1430/22 Dec 1434, bur Gadebusch; m.1st 1366 Burchard Gf von Mansfeld (d.after 19 Mar 1389); m.2nd Celle 1389 Duke Bogislaw VI of Pomerania-Wolgast (d.7 Mar 1393); m.3rd 12/13 Feb 1396 Duke Albrecht II of Mecklenburg, King of Sweden (d.1 Mar 1412)

 

4d) Friedrich, Duke of Braunschweig-Lüneburg, murdered nr Kl-Englis, Hessen 5 Jun 1400; bur Braunschweig Dom; m.1386 Anna (d.after 18 Apr 1426; bur Reinhardsbrunn) dau.of Elector Wenzel of Saxony, and later wife of Ldgve Balthasar of Thuringia

 

1e) Katharina, d.by 26 Nov 1439; m.1413 Gf Heinrich XXIV von Schwarzburg (d.Arnstadt 4 Oct 1444)

 

2e) Anna, d.Innsbruck 11 Aug 1432, bur Stams; m.Innsbruck by 11 Jun 1411 Duke Friedrich IV of Austria (d.Innsbruck 24 Jun 1439)

 

5d) Otto, Archbishop of Bremen 1395/1406, d.30 Jun 1406, bur Bremen Dom

 

6d) Bernhard I, Duke of Braunschweig-Lüneburg, d.Winsen 11 Jun 1434, bur St.Michaelis, Lüneburg; m.1386 Margarete (d.2 Jun 1418; bur St.Michaelis, Lüneburg) dau.of Elector Wenzel of Saxony; for their descendants see Part 5

 

7d) Heinrich II, Duke of Braunschweig-Lüneburg, d.Ülzen 14 Oct 1416; bur Braunschweig; m.1st 1388 Sophie (d.28 Jun 1406) dau.of Duke Wratislaw VI of Pomerania; m.2nd Kassel 30 Jan 1409 Margarete (Marburg 1389-Rotenburg an der Fulda 1446) dau.of Ldgve Hermann of Hesse; for his descendants see Part 4

 

8d) Albrecht, a priest 1378

 

9d) Matilde (ca 1370-23 Feb 1433; bur St.Martin, Hoya); m.13 Dec 1384 Otto Gf von Hoya (d.13 Apr 1428)

 

10d) Elisabeth, d.of the plague 2 Oct 1420, bur Rastede; m.by 5 Mar 1399 Moritz Gf of Oldenburg (d.3 Sep 1420)

 

11d) Helene (bur Nienburg); m.by 24 Aug 1396 Erich Gf von Hoya (d.1426/7; bur St.Martin, Nienburg)

 

12d) Katharina, d.1417/22; m.1390/1 Duke Gerhard VI of Schleswig (k.a.5 Aug 1404)

 

2c) Matilde, d.after 28 Jun 1354, bur Nienburg; m.ca 1339 Fst Bernhard II of Anhalt-Bernburg (d.20 Aug 1348)

 

3c) Albrecht, Archbishop of Bremen 1363/95, d.Verden 14 Apr 1395, bur Bremen Dom

 

4c) Heinrich, a canon in Hildesheim and Halberstadt, d.after 26 Jan 1382

 

5c) Otto, k.a.16 Jan 1339, bur Franciscan Church, Nürnberg

 

6c) Ludwig, Duke of Braunschweig-Lüneburg, d.5 Nov 1367, bur Wienhausen; m.after 23 Jun 1355 Matilde, dau.of Duke Wilhelm of Braunschweig-Lüneburg (and later wife of Otto gf von Holstein-Schauenburg)

 

1d) Sophia, d.13 Mar 1412, Abbess of Möllenbeck 1386-1402, Abbess of Gandersheim 1402-12

 

7c) Ernst, in Blankenau 1373, d.after 26 Feb 1385

 

8c) Sophie, d.1394; m.by 24 Aug 1366 Dietrich Gf von Honstein (d.1379)

 

9c) Agnes; m.1360 Heinrich Gf von Honstein (d.1408)

 

10c) [illegitimate] Albrecht fl 1367

 

11c) [illegitimate] Heinrich fl 1367

 

12c) [illegitimate] Magnus fl 1367

 

13c) [illegitimate] Otto fl 1367

 

13b) Ernst, Duke of Braunschweig-Göttingen 1345 (ca 1305-13 Jul 1366; bur St.Paul, Göttingen); m.by 2 Mar 1340 Elisabeth (d.7 Mar 1390;bur Franciscan Church, Göttingen) dau.of Ldgve Heinrich II of Hesse

 

1c) Otto, Duke of Braunschweig-Göttingen (ca 1340-Hardegsen 13 Dec 1394; bur Wiebrechtshausen); m.1st 19 Nov 1357/14 Jan 1358 Miroslawa (d.by 1379) dau.of Johann Gf von Holstein-Plön; m.2nd by 24 Jun 1379 Margarete (ca 1364-Hardegsen 18 Jun 1442; bur St.Mauriti, Hardigsen) dau.of Wilhelm Gf von Berg

 

1d) Wilhelm (1370-1391; bur St.Mauriti, Hardigsen)

 

2d) Otto "the One-Eyed", Duke of Braunschweig-Göttingen (ca 1384-Uslar 18 Feb 1463; bur Uslar); m.Marburg 26 Sep 1406 Agnes (d.Münden 16 Jan 1471; bur St.Martin, Kassel) dau.of Ldgve Hermann II of Hesse

 

1e) Elisabeth, d.by 1444, bur Uslar

 

3d) Anna (1387-27 Oct 1426; bur Vessra); m.1st by 7 May 1402 Mgve Wilhelm I of Meissen (d.10 Feb 1407); m.2nd 1413 Wilhelm Gf von Henneberg-Schleusingen (d.Cyprus 7 Jul 1426)

 

4d) Elisabeth, d.after 29 Sep 1444; m.1/14 Jul 1405 Duke Erich of Braunschweig-Grubenhagen (d.1427)

 

2c) Ernst II, d.after 7 Dec 1357

 

3c) Albrecht, d.after 16 Apr 1363

 

4c) Adelheid; m.by 11 Aug 1371 Gf Heinrich X von Honstein (d.by 1430)

 

5c) Rixa, Abbess of Mariengarten 1406, d.after 29 Nov 1406

 

6c) Agnes, d.after 13 Sep 1416, bur Nidda Pfarrkirche; m.ca 1371 Gottfried Gf von Ziegenhain (d.1394)

 

7c) Elisabeth

 

3a) Wilhelm, Duke of Braunschweig-Wolfenbüttel (ca 1270-Braunschweig 30 Sep 1292; bur Braunschweig Dom); m.1290 Elisabeth (d.after 6 Jul 1306) dau.of Ldgve Heinrich I of Hesse (and later wife of Gerhard von Eppstein)

 

4a) Otto (1271-17 Apr 1345/13 Dec 1347)

 

5a) Konrad (ca 1273-Süpplingenburg 1303; bur Letznersdorf)

 

6a) Lüder, Grand Master of the Teutonic Knights (ca 1275-nr Stuhm 18 Apr 1335; bur Königsberg Dom)

 

7a) Matilde (ca 1276-26 Apr/31 Aug 1318; bur Glogau); m.ca 1290 Duke Heinrich III of Glogau (d.1309)