(n.) A clan, tribe, or family, proceeding from a common progenitor; -- used especially of the ancient clans in Ireland.

affiliation animal kingdom apparentation birth blood bloodline bracket branch breed brood caste category clan class common ancestry consanguinity deme derivation descent direct line distaff side division estate extraction family female line filiation folk gens grade group grouping head heading house kin kind label level line line of descent lineage male line matriclan nation order patriclan people phratry phyle phylum pigeonhole plant kingdom position predicament race rank rating rubric section seed set side spear side species spindle side station status stem stirps stock strain stratum subdivision subgroup suborder succession sword side title totem tribe