Duncan Hector Allan Simpson1
Child of Duncan Hector Allan Simpson
Flora Margaret Simpson1
From 1979, her married name became Wardlaw.
Children of Flora Margaret Simpson and Craig Davidson Wardlaw
- Duncan Ian Macleod Wardlaw2 b. 1992
- Liethen Davidson Wardlaw2 b. 1996
Duncan Ian Macleod Wardlaw1
Liethen Davidson Wardlaw1
Jonathan Stewart Wardlaw1 
He was a teacher at Markham High School, Markham, Ontario, Canada.3 He lived in 2003 at 61 Sutherland Avenue, Newmarket, Ontario, Canada.1
Children of Jonathan Stewart Wardlaw and Beth Yvonne Houston
- Rebecca Jillian Wardlaw2 b. 1992
- Mackenzie Jonathan Wardlaw2 b. 1995
Reverend John William Houston1
Child of Reverend John William Houston
Beth Yvonne Houston1
From 1988, her married name became Wardlaw.
Children of Beth Yvonne Houston and Jonathan Stewart Wardlaw
- Rebecca Jillian Wardlaw2 b. 1992
- Mackenzie Jonathan Wardlaw2 b. 1995
Mackenzie Jonathan Wardlaw1
Rebecca Jillian Wardlaw1
Robert Law Wardlaw1
He graduated from Toronto University, Toronto, Ontario, Canada, in 1949 with a BASc.1 He graduated from McGill University, Montreal, Quebec, Canada, in 1963 with a Diploma of Electrical Engineering.2 He graduated from Carleton University, Ottawa, Ontario, Canada, in 1966 with a Master of Engineering (M.Eng.)1 He lived in 2003 at 9 Oriole Drive, Ottawa, Ontario, Canada.1
Children of Robert Law Wardlaw and Felicia Jane Milsum
- Stephen James Wardlaw2 b. 2 Feb 1957
- Anne Margaret Wardlaw+2 b. 11 Nov 1958
- Michael John Wardlaw+2 b. 24 Aug 1960
- Patricia Mary Wardlaw+2 b. 18 Feb 1962
- Laura Kathleen Wardlaw+2 b. 9 Apr 1963
