Versions of Iowa Code 598.31 - Children -- legitimacy on LawServer 2023 Iowa Code 598.31 – Children — legitimacy 2022 Iowa Code 598.31 – Children — legitimacy. 2020 Iowa Code 598.31 – Children — legitimacy. 2018 Iowa Code 598.31 – Children — legitimacy. 2016 Iowa Code 598.31 – Children 2014 Iowa Code 598.31 – Children – legitimacy. 2009 Iowa Code 598.31 – Children — legitimacy