William married Katherina Halberstadt in 1909. Katherina was born in 0Apr 1879 in Essen, Nordrhein-Westfalen; died on 18 Jan 1926 in Los Angeles, Los Angeles County, California, USA; was buried in Rose Hills Memorial Park, Whittier, Los Angeles County, California, USA. [Group Sheet] [Family Chart]

1. William George Ryan was born on 31 Jan 1910 in Ely, White Pine County, Nevada, USA; died on 11 Sep 1997 in Northridge, Los Angeles County, California, USA.
2. Thomas Sanford Ryan was born on 24 Feb 1911 in Ely, White Pine County, Nevada, USA; died on 10 Dec 1991 in Los Angeles, Los Angeles County, California, USA.
3. Thelma Catherine Ryan was born on 16 Mar 1912 in Ely, White Pine County, Nevada, USA; died on 22 Jun 1993 in Park Ridge, Bergen County, New Jersey, USA; was buried in Richard Nixon Library and Birthplace, Yorba Linda, Orange County, California, USA.