IC 35-46-1-2 Bigamy Sec. 2. (a) A person who, being married and knowing that his spouse is alive, marries again commits bigamy, a Class D felony. (b) It is a defense that the accused person reasonably believed that he was eligible to remarry. As added by Acts 1976, P.L.148, SEC.6. Amended by Acts 1977, P.L.340, SEC.85.