Unio prolium

UNIO PROLIUM. A species of adoption used among the Germans; it signifies union of descent. It takes place when a widower, having children, marries a widow, who also has children. These parents then agree that the children of both marriages shall have the rights to their succession, as those which may be the fruits of their marriage. Lec. Elem. Sec. 187.

A Law Dictionary, Adapted to the Constitution and Laws of the United States. By John Bouvier. Published 1856.