When Travis and Barbara Montgomery's daughter, Molly, was diagnosed with leukemia, her only chance at survival was a bone marrow transplant.
Desperate, Travis and Barbara - despite being married to other people - conceived another child in hopes that this baby would be a suitable donor. The boy, Sean, saved Molly's life. In the process, Travis's marriage to Erica Kane and Barbara's to Tom Cudahay dissolved. Barbara and Travis remarried and moved with their children to Seattle...
Mother: Barbara Montgomery
Father: Travis Montgomery (deceased)
Siblings: Bianca Montgomery (half-sister), Molly Montgomery
Niece: Miranda Montgomery
Aunt: Christine Montgomery
Uncle: Jackson Montgomery
Cousins: Lily Montgomery (adoptive), Greenlee Lavery, Reggie Montgomery (adoptive)