Margaret Elizabeth McWilliams
1908 - 1961 (53 år)(
= Etterslektstre til dette punkt, 
= Ekspander, 
= Kollaps)
- 1 Margaret Elizabeth McWilliams [1] f. 2 Feb 1908 d. 20 Feb 1961
- Gunnar Johannes Walseth f. 28 Sep 1909 d. 25 Jan 1976
- 2 Sonya Vey Walseth [1.1] f. 20 Aug 1935 d. 1 Jul 2017
- Lynn Doyal Harvison f. 19 Jul 1931 d. 5 Okt 2008
- 3 Jon Eric Harvison [1.1.1]
- 3 Kirsten Lynn Harvison [1.1.2]
- 3 Sandra Lee Harvison [1.1.3]
- 3 Jon Eric Harvison [1.1.1]
- 2 David Gunnar Walseth [1.2] f. 24 Okt 1939 d. 3 Feb 1959
- 2 Sonya Vey Walseth [1.1]