A bastard ; a child born out of lawful wedlock. But in a statute declaring that adopted shall have all the rights of “natural” children. the word “natural” was used in the sense of* ” legitimate .” Barns v. Allen, 9 Am. Law Reg. (O. S.) 747. In Louisiana. Illegitimate children who have been adopted by the father. Civ. Code La. 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.