CODE OF VIRGINIA CERTAIN MARRIAGES PROHIBITED (ยง 20-38.1) (a. The following marriages are prohibited: (1. A marriage entered into prior to the dissolution of an earlier marriage of one of the parties; (2. A marriage between an ancestor and descendant, or between a brother and a sister, whether the relationship is by the half or the whole blood or by adoption; (3. A marriage between an uncle and a niece or between an aunt and a nephew, whether the relationship is by the half or the whole blood. (b. [Repealed.] HISTORY: 1975, c. 644; 1978, c. 647.