1. Marriages between the following persons who are related by blood are void:

 a. Between a man and his father’s sister, mother’s sister, daughter, sister, son’s daughter, daughter’s daughter, brother’s daughter, or sister’s daughter.
 b. Between a woman and her father’s brother, mother’s brother, son, brother, son’s son, daughter’s son, brother’s son, or sister’s son.
 c. Between first cousins.

Terms Used In Iowa Code 595.19

  • following: when used by way of reference to a chapter or other part of a statute mean the next preceding or next following chapter or other part. See Iowa Code 4.1
 2. Marriages between persons either of whom has a husband or wife living are void, but, if the parties live and cohabit together after the death or divorce of the former husband or wife, such marriage shall be valid.