Keith Douglas Mackenzie1 
He fought in the Boer War.1
Children of Keith Douglas Mackenzie and Anna Hildagonda Reitz
- Henry Douglas Mackenzie+2 b. 14 Sep 1905, d. 4 Nov 1965
- Helen Douglas Mackenzie2 b. 18 Jan 1908
- Joan Douglas Mackenzie+2 b. 16 Aug 1909, d. 2000
- Keith Douglas Mackenzie+2 b. 16 Aug 1912, d. 1984
George Reitz1
Child of George Reitz
- Anna Hildagonda Reitz+2 d. 1937
Anna Hildagonda Reitz1 
From 10 November 1904, her married name became Mackenzie.
Children of Anna Hildagonda Reitz and Keith Douglas Mackenzie
- Henry Douglas Mackenzie+2 b. 14 Sep 1905, d. 4 Nov 1965
- Helen Douglas Mackenzie2 b. 18 Jan 1908
- Joan Douglas Mackenzie+2 b. 16 Aug 1909, d. 2000
- Keith Douglas Mackenzie+2 b. 16 Aug 1912, d. 1984
Henry Douglas Mackenzie1 
Children of Henry Douglas Mackenzie and Irene Carter Freeman
- Ann Douglas Mackenzie+2
- Sir Peter Douglas Mackenzie of Coul, 13th Bt.+2 b. 23 Apr 1949, d. 31 Dec 2021
Irene Carter Freeman1
She lived at South Africa.1 From 1941, her married name became Mackenzie.
Children of Irene Carter Freeman and Henry Douglas Mackenzie
- Ann Douglas Mackenzie+2
- Sir Peter Douglas Mackenzie of Coul, 13th Bt.+2 b. 23 Apr 1949, d. 31 Dec 2021
Michael Wallace Mayne1
He lived in 2003 at Rivonia, South AfricaG.1
Children of Michael Wallace Mayne and Ann Douglas Mackenzie
- Douglas Wallace Mayne2 b. 1976
- Rory Douglas Mayne2 b. 1979
Ann Douglas Mackenzie1
From 1975, her married name became Mayne.
Children of Ann Douglas Mackenzie and Michael Wallace Mayne
- Douglas Wallace Mayne2 b. 1976
- Rory Douglas Mayne2 b. 1979
Douglas Wallace Mayne1
Rory Douglas Mayne1
Keith Douglas Mackenzie1 
Children of Keith Douglas Mackenzie and Thelma Reeders
- Judy Douglas Mackenzie+2 b. 1940
- Jenifer Mary Douglas Mackenzie+2 b. 1944