society > society and the community > kinship or relationship > kinsman or relation > child > relationship to parent > [adjective] > posthumous (6)
Chiefly Law. Of a child: born after the father's death, or after the execution of the father's will (cf. posthumous, adj. 2). Also (Roman Law)…
Born after the death of the father; = posthumous, adj. 2. Also figurative.
Of a child: born after the death of its father. Also figurative.