familial

Of or pertaining to a human family.

Mark had to leave work due to familial obligations.

Asylums and the Care of the Insane.—Dr. Wille, the director of the recently opened asylum for the Canton of Zurich, at Rheinau, delivered a lecture on this subject to the Swiss Association of Alienists. […] In discussing the mode of providing for the incurable, he refers to the familial system and the agricultural colony. […] Another kind of familial treatment is when under similar circumstances improved patients are discharged from an establishment, but after their discharge they are still more or less looked after in connection with the establishment, and receive superintendence by the authorities, or by organised associations.

Pertaining to a taxon at the rank of family.

Having milky latex is a familial characteristic of Apocynaceae.

Of or pertaining to any grouping of things referred to as a family.

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

The late Eocene was a fascinating time with respect to community changes among terrestrial organisms. Among the mammals, for example, the greatest worldwide ordinal (26 total) and familial (about 120, plus bats and modern-type whales) diversity occurred.

Inherited.

fatal familial insomnia

Cerebral CMs [cavernous malformations] are, for the majority of cases, sporadic lesions. However, familial incidences have been documented for quite some time. In 1928, Kufs reported two cases: an 81-year-old man who presented with "multiple intercranial nodular telangiectases," and his daughter, suspected of harboring a lesion in the pons.