(Britain, Ireland) In Britain and Ireland, a family of the landed gentry.

a genealogist or historian who studies family history

An extension to genealogy in which the life and times of the people concerned are investigated.

A diagrammatic representation of a pedigree, illustrating the connections between a person's ancestors, offspring and other relatives / (collective) The totality of someone's ancestors and offspring

A family unit consisting of a parent or parents and their children.

The youngest member of an immediate family. / A member of an immediate family who behaves as, or is treated as though they were the youngest member of a family.

Used other than figuratively or idiomatically: see family, jewels. / (idiomatic, euphemistic) Testicles.

(sociology) A family that is formed when a couple have their first child.

(sociology) The family in which an individual grows up.

A stepfamily in which both new mates have one or more living children from prior partners.