John Mercer (Jack) Gray
1892 - 1968 (75 år)(
= Etterslektstre til dette punkt, 
= Ekspander, 
= Kollaps)
- 1 John Mercer (Jack) Gray [1] f. 20 Des 1892 d. 4 Mar 1968
- Katherine Marie (Kate) Bequist f. 28 Des 1894 d. 3 Jan 1967
- 2 Eileen Gray [1.1] f. 5 Jul 1918 d. 1 Jul 2001
- + Lawrence Raymond (Larry) Knapp f. 25 Jun 1917 d. 7 Feb 1996
- + Lawrence Raymond (Larry) Knapp f. 25 Jun 1917 d. 7 Feb 1996
- 2 Betty J. Gray [1.2] f. 29 Feb 1924 d. 16 Mai 2016
- Gerald Francis (Jerry) McKouen f. 2 Jun 1921 d. 29 Okt 2013
- 3 Gerald Leon (Jerry) McKouen Gray [1.2.1] f. 11 Nov 1944 d. 17 Aug 2017
- Billie O’Brien
- 4 Bradley Thomas McKouen [1.2.1.1]
- + Nancy
- + Nancy
- 4 Brian Tyler McKouen [1.2.1.2]
- 4 Thomas O’Brien McKouen [1.2.1.3]
- + Sara
- + Sara
- 4 Bradley Thomas McKouen [1.2.1.1]
- 3 Gerald Leon (Jerry) McKouen Gray [1.2.1]
- 2 Eileen Gray [1.1]