1 family, relative(s), relation(s), kindred, kinsfolk or US and Canadian kinfolk, kinsman, kinswoman, stock, clan, blood-relation(s), blood-relative(s):
We might have the same name, but he's no kin of mine. Grandmother says that too many people are thoughtless of their kin these days.
2 related, akin (to), kindred, consanguineous, consanguine, cognate, agnate:
One often forgets that all men are kin.