GEORGE MULFORD 1920 IOWA

Ruth Altaffer,23 married George Mulford. The 1920 census places them living with her parents in Red Oak, Montgomery County,IA.I find no trace of them after that. George, 26 is also listed in the 1920 census with parents ____ and Mary Mulford in Jackson County, KS.In 1910, George 17 was a boarder in Topeka, KS.According to that census his parents were born in Ohio.The 1895 Kansas census lists the Mulford family:EJ 6, GH 2, Isaac 42 and Mary 39 in Jackson County, KS.All were born in Ohio except GH.
Where did Ruth and George Mulford go after 1920?