The Family de Rohan

An early ancestor of this family was one Guethenoc, Vcte de Chateautro-en-Porhoet ca 1008-21. He was father of Josselin, Vcte de Bretagne et de Rennes (d.1074), who was in turn father of (besides 3 other sons, including Mainguy, Bp of Vannes):

Eudon=Eon I, Vcte de Porhoet et de Rennes, liivng 1066/92; m.1^st Emme de Léon (d.ca 1092); m.2^nd NN; he had issue, by his 1st marriage:

1a) Geoffroy, Vcte de Porhoet, d.1142; m.Havise N

1b) Eudon=Eon II, Cte de Porhoet, 1148 Duc de Bretagne, d.after 1168; m.1147 Berthe de Cornuailles (d.1158/64), heiress of Bretagne (which was inherited by her son by her 1^st marriage)

1c) Eudon III, Cte de Porhoet, d.1234

1d) Matilda, Vcts de Porhoet; m.Geoffroi, Cte de Fougères

2d) Alienor, Dame de La Cheze; m.Vcte Alain V de Rohan (below)

3d) Jeanne; m.Olivier de Montaubon

4d) Aelis, d.ca 1235; m.1201 Gui VI Mauvoisin (d.ca 1211)

2b) Joscius

3b) Alain I de La Zouche, or de La Ceoche, in England 1172, d.1190; m.Alix de Beaumez à issue, the family of the Lords Zouche, in England

4b) Etienne, living 1164

5b) Amicie; m.Guillaume de Montfort

2a) Josselin, Vcte de Porhoet 1105/24

3a) Alain I de Rohan, Vcte de Castelnoec, d.1128; m.Villana N

1b) Alain II, Vcte de Rohan et de Castelnoec, sn de Guemene et de Guincamp, d.after 1168

1c) Alain III, Vcte de Rohan, d.ca 1195; m.Constance (d.after 23 Jun 1184), dau of Alain de Bretagne

1d) Alain IV, Vcte de Rohan, sn de Guemene, d.27 Oct 1205; m.Mabile, dau of Raoul de Fougères

1e) Geoffroi I, Vcte de Rohan, d.15 Sep 1221; m.1^st Marguerite, dau of Ranulph de Blundeville, Earl of Chester, by Constance, Dss de Bretagne; m.2^nd after 4 May 1220 Gervaise, Vcts de Dinan (d.after Jun 1248), dau of Alain de Vitré by Constance de Fougères, and widow of Juhel de Mayenne (and later wife of Richard Marshal, Earl of Pembroke)

2e) Conan, d.ca 1221

3e) Olivier I, Vcte de Rohan, d.29 Oct 1228

4e) Alain V, Vcte de Rohan, d.1242; m.Alienor de Porhoet (above)

1f) Alain VI, Vcte de Rohan, d.1304; m.1^st Isabeau de Correc (dsp 1266); m.2^nd Thomasse de La Roche-Bernard (d.after 1304)

1g) Alain, d.1299; m.Agnes, dau of Henri d'Avaugour by Marie de Brienne

2g) Geoffroi, a canon, d.1303; m.Catherine de Clisson

3g) Josselin, d.1306

4g) Olivier II, Vcte de Rohan, d.1326; m.1^st 1307 Alix, dau of Thibait Cte de Rochefort; m.2^nd Jeanne, dau of Hervé de Léon

1h) Alain VII, Vcte de Rohan, k.a.14 Aug 1352; m.1322 Jeanne (d.after 29 May 1371), dau of Pierre de Rostrenen (and later wife of Roger David)

1i) Jean I, Vcte de Rohan, test.24 Feb 1395; m.1^st 1349 Jeanne (d.1372), dau of Hervé de Léon; m.2^nd 1373 Joanna (ca 1339-20 Nov 1403), dau of King Philip III of Navarre; for his descendants see Part 2

2i) Pierre

3i) Marguerite, test.14 Dec 1406; m.1^st 1356 Jean, Sire de Beaumanoir; m.2^nd Olivier, Sire de Clisson (d.1407)

2h) Olivier, k.a.1347

3h) Geoffroi, Bp of Vannes and Saint-Brieuc, d.1374/5

4h) Thibaut

5h) Josselin, Bp of St.Malo, d.1388

5g) Guiart

6g) Eon, sn du Gue-de-l'Isle, d.after 1346; m.Aliette de Coetlogon; à issue, extinct in male line ca 1800

7g) Jacques; m.ca 1316 Perrone N

8g) Jeanne; m.ca 1308 Pierre de Kergolay (d.after 13 May 1313)

9g) Beatrix; m.Jean de Beaumanoir, sn de Merdrignal

10g) Jeanne; m.Herve de Leon

2f) Geoffroi, sn de Noial, etc

3f) Vilaine; m.Richard, sn de La Roche-Sagu

4f) Philippe

5f) Phelippe; m.Henri d'Avaugour, sn de Goello

6f) Mabile; m.1251 Robert, Sire de Beaumez

7f) Tiphaine; m.Geoffroi II, sn de Lanvaux

5e) Heloise

6e) Catherine; m.1^st Geoffroi, sn de Hennebon; m.2^nd Raoul Niel, sn de La Muce

2d) Guillaume, fl 1184/1203

3d) Josselin, sn de Montfort et de Noial, Vcte de Rohan, d.1251; m.Mahaut de Montfort

4d) Marguerite

5d) Alix

6d) Constance; m.Eudon de Pontefelau

2b) Josselin, fl 1127