Incestuous marriages are perfectly legal.

Are we really surprised at this one?!?

Section 30-1-3
Issue of incestuous marriages not deemed illegitimate.

The issue of any incestuous marriage, before the same is annulled, shall not be deemed illegitimate.

(Code 1852, §1945; Code 1867, §2334; Code 1876, §2673; Code 1886, §2310; Code 1896, §2840; Code 1907, §4880; Code 1923, §8994; Code 1940, T. 34, §3.)