Hickenlooper was married to Verna Bensch until her death less than a year preceding his. They had two children, David Hickenlooper and Mrs. Jane Oberlin.<ref>[https://www.nytimes.com/1971/09/05/archives/bourke-hickenlooper-isdead-former-iowa-senator-was75-cosponsor-of.html Bourke Hickenlooper Is Dead; Former Iowa Senator Was 75]. ''The New York Times''. Retrieved February 21, 2021.</ref> | Hickenlooper was married to Verna Bensch until her death less than a year preceding his. They had two children, David Hickenlooper and Mrs. Jane Oberlin.<ref>[https://www.nytimes.com/1971/09/05/archives/bourke-hickenlooper-isdead-former-iowa-senator-was75-cosponsor-of.html Bourke Hickenlooper Is Dead; Former Iowa Senator Was 75]. ''The New York Times''. Retrieved February 21, 2021.</ref> |