Maternal
Black's Law Dictionary · Henry Campbell Black, M.A. · 1910
Black's Law Dictionary
That which belongs to or comes from, the mother; as maternal authority, maternal relation, maternal estate, maternal line.
— Maternal property. That which comes from the mother of the party, and other ascendants of the maternal stock. Dom. Liv. Prl. t. 3, s. 2, nn. 12.