Father-adoptive father.
Mother-adoptive mother.
Grandfather-grandfather-in-law, meaning the subsequent husband of the child's natural grandmother, i.e., stepgrandfather-adoptive grandfather.
Grandmother-grandmother-in-law, meaning the subsequent wife of the child's natural grandfather, i.e., stepgrandmother-adoptive grandmother.
Great-grandfather-great-great-grandfather.
Great-grandmother-great-great-grandmother.
Stepfather, but not his parents.
Stepmother, but not her parents.
Brother-brother-of-half-blood-stepbrother-brother-in-law-adoptive brother.
Sister-sister-of-half-blood-stepsister-sister-in-law-adoptive sister.
Uncle-aunt, of whole or half blood.
Uncle-in-law-aunt-in-law.
Great uncle-great-great-uncle.
Great aunt-great-great-aunt.
First cousins-nephews-nieces.
Second cousins, meaning the son or daughter of one's parent's first cousin.
This rule is intended to implement Iowa Code chapter 239B.
Iowa Admin. Code r. 441-41.22