James "Jamie" Martin was born to Brooke English while his father, Tad Martin, was presumed dead. Eventually, Tad returned to Pine Valley and he and Brooke married briefly. But they ultimately divorced while Jamie was still very young. Tad remarried Dixie Cooney, whose son JR was a stepbrother to Jamie for many years and whose ties to Jamie are just as strong as biological ones...

Mother: Brooke English
Father: Tad Martin
Siblings: Laura Cudahay (biological; deceased), Laura Kirk English (adoptive), JR Chandler (long time stepsibling, raised as Jamie's brother), Kate Martin
Grandmothers: Opal Cortlandt (biological), Ruth Martin (adoptive), Jane Dobrin (biological), Peg English (adoptive)
Grandfathers: Joe Martin (adoptive), Ray Gardner (biological; deceased), Ed English (biological; deceased)
Nephew: Adam Chandler III
Uncles: Jake Martin (adoptive), Jeff Martin (adoptive), Adrian Sword (biological), Peter Cortlandt (biological)
Aunts: Jenny Nelson (biological; deceased), Tara Martin (adoptive)
Great Aunt: Phoebe Wallingford (deceased)
Cousins: Kelsey Jefferson (adoptive), Charlie Brent (adoptive), Josh Madden (adoptive)
Significant romantic relationships: Joni Stafford, Babe Carey, Julia Keefer