unknown daughter Guinness1
- [S37] BP2003 volume 2, page 1698. See link for full details for this source. Hereinafter cited as. [S37]
Agnes Jean Collins1
From 26 March 1928, her married name became Tupper.
Children of Agnes Jean Collins and Sir James Macdonald Tupper, 4th Bt.
- Janet Mary Tupper+2 b. 28 Feb 1929, d. Apr 2015
- Sir Charles Hibbert Tupper, 5th Bt.+2 b. 4 Jul 1930, d. 25 May 2008
unknown daughter Guinness1
- [S37] BP2003 volume 2, page 1698. See link for full details for this source. Hereinafter cited as. [S37]
Janet Mary Tupper1 
She was educated in 1951 at Vancouver General Hospital School of Nursing, Vancouver, British Columbia, Canada.1 From 17 March 1951, her married name became Couldwell. She lived in 2003 at 50-5880 Hampton Place, Vancouver, British Columbia, Canada.1
Children of Janet Mary Tupper and William John Couldwell
- Susan Janice Couldwell+2 b. 18 Feb 1953
- Sandra Lee Couldwell+2 b. 15 Sep 1954
- Dr. William Tupper Couldwell+2 b. 15 Dec 1955
- [S37] BP2003 volume 3, page 3956. See link for full details for this source. Hereinafter cited as. [S37]
- [S37] BP2003. [S37]
- [S8425] Sandra Couldwell, “re: Couldwell Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 30 October 2017. Hereinafter cited as “re: Couldwell Family.”
William Blythe Couldwell1
Child of William Blythe Couldwell
- William John Couldwell+2 d. Apr 2012
William John Couldwell1 
He gained the rank of Wing Commander in the Royal Canadian Air Force Reserve.1 He graduated with a Doctor of Medicine (M.D.)1 He graduated with a Maste of Surgery (C.M.)1
Children of William John Couldwell and Janet Mary Tupper
- Susan Janice Couldwell+2 b. 18 Feb 1953
- Sandra Lee Couldwell+2 b. 15 Sep 1954
- Dr. William Tupper Couldwell+2 b. 15 Dec 1955
- [S37] BP2003 volume 3, page 3956. See link for full details for this source. Hereinafter cited as. [S37]
- [S37] BP2003. [S37]
- [S8425] Sandra Couldwell, “re: Couldwell Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 30 October 2017. Hereinafter cited as “re: Couldwell Family.”
Dr. William Tupper Couldwell1
He graduated with a Bachelor of Science (B.Sc.)1 He graduated with a MDCM.1 He graduated with a Doctor of Philosophy (Ph.D.)1 He lived in 2003 at 643 North Perry’s Hollow Road, Salt Lake City, Utah, U.S.A.1
Children of Dr. William Tupper Couldwell and Marie Francoise Simard
- Mitchell William Galen Couldwell2 b. 1991
- Sandrine Marie Camille Couldwell2 b. 1991
- Genevieve Christine Couldwell2 b. 1993
Marie Francoise Simard1
She was appointed Fellow, Royal College of Physicians, London (F.R.C.P.)1 Her married name became Couldwell. She graduated with a Doctor of Medicine (M.D.)1
Children of Marie Francoise Simard and Dr. William Tupper Couldwell
- Mitchell William Galen Couldwell2 b. 1991
- Sandrine Marie Camille Couldwell2 b. 1991
- Genevieve Christine Couldwell2 b. 1993
Mitchell William Galen Couldwell1
Sandrine Marie Camille Couldwell1