Quasi posthumous child

QUASI POSTHUMOUS CHILD, civil law. One who, born during the life of his grand father, or other male ascendant, was not his heir at the time he made his testament, but who by the death of his father became his heir in his lifetime. Inst. 2, 13, 2; Dig. 28, 3, 13.

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