blood relations be sb’s own child, biological (child, parents) blood relations, close paternal relations born of the same parents, fellow countryman, compatriot collateral branch (of a family) cousin, cousinship adoptive father, a man whose position is roughly equivalent to a foster father and godfather in Western countries without religious or legal complications adoptive mother, a woman whose position is roughly equivalent to a foster mother and godmother in Western countries without religious or legal complications stepfather stepmother stepfather stepmother adopted father adopted mother become sworn brothers become sworn brothers or sisters