art. 220. In the civil law. A child by natural relation or procreation; a child by birth, as distinguished from a child by adoption. Inst. 1, 11, pr.; Id. 3,1, 2; Id. 3, 8, pr. A child by concubinage, in contradistinction to a child by marriage. Cod. 5, 27.—Quasi posthumous child. In the civil law. One who, born during the life of his grandfather 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 hie life-time. Inst. 2, 13, 2; Dig. 28, 3, 13.