Rufus Crosby Kemper, who went by R. Crosby or Crosby, was born in 1892 in Valley Falls, Kansas. The family moved to Kansas City in 1893 and lived in homes in the 2600 block of Troost Avenue and at 1000 Westover Road. James Madison Kemper was born in 1894. The Kemper sons attended Kansas City public schools and the University of Missouri, where they played on the football team. Both men also fought in World War I.