Clan
'clan' is the definition.
(I know that clan can be written as tribe)
This is all the clue.
(Other definitions for tribe that I've seen before include "Race" , "Israelites' division" , "Traditional social group" , "Racial group living under chief" , "Ethnic grouping" .)
'clan' is the definition.
(I know that family is a type of ancestry)
This is the entire clue.
(Other definitions for family that I've seen before include "Group of people related to one another" , "line" , "One's relations" , "Means-tested benefit for working people with children, paid from 1971 to 1986" , "Group of relations" .)