kinfolk, kinsfolk, phratry, family line, sept, folk, family - people descended from a common ancestor; "his family has lived in Massachusetts since the Mayflower"

breed - a special lineage; "a breed of Americans"

side - a family line of descent; "he gets his brains from his father's side"

family tree, genealogy - successive generations of kin

breed, strain, stock - a special variety of domesticated animals within a species; "he experimented on a particular breed of white rats"; "he created a new strain of sheep"

ancestry, filiation, lineage, derivation - inherited properties shared with others of your bloodline

purebred - bred for many generation from member of a recognized breed or strain