Arthur married Addie Sibel on 7 Dec 1896 in Kansas, USA. Addie (daughter of John Henry Sibel and Martha Jane Brandt) was born on 13 Nov 1879 in Iowa City, Johnson County, Iowa, USA; died on 15 Mar 1968 in Oklahoma, USA; was buried in Persimmon Cemetery, Mutual, Woodward County, Oklahoma, USA. [Group Sheet] [Family Chart]

1. Pluma Alcora Clapham was born on 3 Aug 1897 in Perisimmon, Woodward County, Oklahoma, USA; died on 17 Dec 1997 in Woodward County, Oklahoma, USA; was buried in Persimmon Cemetery, Mutual, Woodward County, Oklahoma, USA.
2. Bessie Zann Clapham was born on 26 Nov 1898 in Woodward County, Oklahoma, USA; died on 17 Oct 1963 in Oklahoma, USA.
3. Royce Douglas Clapham was born on 13 Jun 1900 in Woodward County, Oklahoma, USA; died on 30 Jan 1991 in Oklahoma, USA; was buried in Brumfield Cemetery, Seiling, Dewey County, Oklahoma, USA.
4. Berta Grace Clapham was born on 23 Jun 1906 in Woodward County, Oklahoma, USA; died on 24 Oct 2001 in Oklahoma, USA; was buried in Elmwood Cemetery, Woodward, Woodward County, Oklahoma, USA.
5. Gordon Carmen Clapham was born on 31 Oct 1907 in Woodward County, Oklahoma, USA; died on 6 Nov 1957 in Colorado, USA; was buried in Persimmon Cemetery, Mutual, Woodward County, Oklahoma, USA.
6. Marcella Clapham was born on 9 Jun 1910 in Woodward County, Oklahoma, USA; died on 8 Mar 2002 in Oklahoma, USA; was buried in Persimmon Cemetery, Mutual, Woodward County, Oklahoma, USA.