William Martin Ryan
1868 - 1930 (~ 61 years)(
= Descendancy chart to this point, 
= Expand, 
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- 1 William Martin Ryan [1] b. 0Aug 1868 d. 7 May 1930
- Katherina Halberstadt b. 0Apr 1879 d. 18 Jan 1926
- 2 William George Ryan [1.1] b. 31 Jan 1910 d. 11 Sep 1997
- Marie Unknown
- 3 Glenn Ryan [1.1.1]
- 3 Richard Ryan [1.1.2]
- 3 Glenn Ryan [1.1.1]
- 2 Thomas Sanford Ryan [1.2] b. 24 Feb 1911 d. 10 Dec 1991
- + Dorothy Jean Sinclair b. 15 Dec 1913 d. 10 Jul 2007
- + Dorothy Jean Sinclair b. 15 Dec 1913 d. 10 Jul 2007
- 2 Thelma Catherine Ryan [1.3] b. 16 Mar 1912 d. 22 Jun 1993
- President Richard Milhouse Nixon b. 13 Jan 1913 d. 23 Apr 1994
- 3 Patricia Nixon [1.3.1]
- Edward Finch Cox
- 4 Christopher Nixon Cox [1.3.1.1]
- 4 Christopher Nixon Cox [1.3.1.1]
- 3 Julie Nixon [1.3.2]
- Dwight David Eisenhower
- 4 Jennie Elizabeth Eisenhower [1.3.2.1]
- 4 Alexander Richard Eisenhower [1.3.2.2]
- 4 Melanie Catherine Eisenhower [1.3.2.3]
- 4 Jennie Elizabeth Eisenhower [1.3.2.1]
- 3 Patricia Nixon [1.3.1]
- 2 William George Ryan [1.1]