552.34, et seq.; 551.1 et seq.; 552.29–.30
Underage; insanity; idiocy; physical incapacity to consummate; force or fraud
Underage: Unless they freely cohabit upon reaching majority; Incapacity: 2 years from marriage; Lunatic: Unless upon restoration of reason, they freely cohabit; Force or fraud: Unless there is voluntary cohabitation prior to commencement of suit
Legitimacy of Children
Issue of marriage void for nonage or bigamy or insanity are legitimate.
Bigamous; those with syphilis or gonorrhea (felony); same sex; marriage between ancestors or descendants, brother and sister (blood or affinity), aunt and nephew, uncle and niece, first cousins