Mother: Sierra Esteban Reyes Montgomery

Father: Craig Bryant Montgomery

Siblings: brother, Bryant Montgomery (deceased)

Maternal Grandparents: Lucinda Walsh
Jacobo Esteban (deceased)

Paternal Grandparents: Lyla Montgomery Peretti
Bart Montgomery

Aunts: Lily Walsh Snyder (Sierra's adopted sister)
Margo Montgomery Hughes (Craig's half-sister)
Cricket Montgomery Ross (Craig's sister)
Katie Peretti Frasier (Craig's half-sister)

Great-Aunts: Samantha Anderson (Sierra's aunt)
Neal Alcott (deceased, Sierra's aunt)
Maggie Crawford (Craig's aunt)

Uncles: Holden Snyder (by marriage to Lily)
Tom Hughes (by marriage to Margo)
Ernie Ross (by marriage to Cricket)
Simon Frasier (by marriage to Katie)

Great-Uncles: Royce Keller (Sierra's uncle)
Kirk Anderson (by marriage to Sam)

First Cousins: Adam Hughes (Margo's son)
Casey Hughes (Margo's son)
Lien Hughes (Margo's step-daughter)
Daniel Hughes (Margo' step-son)
Suzie Ross (Cricket's daughter)
Billy Ross (Cricket's son)
Luke Grimaldi (Lily's son)
Faith Snyder (Lily's daughter)
Abigail Williams (by marriage, Lily's husband Holden's daughter)
Aaron Snyder (by marriage, Lily's husband Holden's son)

Great-Cousins: Georgia Tucker Silva (Sam's daughter)
Eddie Silva (by marriage to Georgia)