familial

adjective4

1. •
   Of or pertaining to a human family.

   • Mark had to leave work due to familial obligations.
2. •
   Pertaining to a taxon at the rank of family.

   • Having milky latex is a familial characteristic of Apocynaceae.
3. •
   Of or pertaining to any grouping of things referred to as a family.

   • "Grandfather", "mother", and "brother" are some English familial terms.
4. •
   Inherited.