Constance Elizabeth Broughton Young1 
Winifred Elinor Broughton Young1
From 1920, her married name became Nicholson.
Children of Winifred Elinor Broughton Young and David Theodore Field Nicholson
- Sheila Constance Nicholson2 b. 1921
- Elinor Catherine Nicholson+2 b. 1924
- Peter Theodore Nicholson+2 b. 1926
- Donald Ian Nicholson+2 b. 1928
- Alisa Mary Nicholson+2 b. 1931
- John David Nicholson+2 b. 1934
David Theodore Field Nicholson1 
Children of David Theodore Field Nicholson and Winifred Elinor Broughton Young
- Sheila Constance Nicholson2 b. 1921
- Elinor Catherine Nicholson+2 b. 1924
- Peter Theodore Nicholson+2 b. 1926
- Donald Ian Nicholson+2 b. 1928
- Alisa Mary Nicholson+2 b. 1931
- John David Nicholson+2 b. 1934
Peter Theodore Nicholson1
He graduated from Sydney University, Sydney, New South Wales, Australia, with a Bachelor of Science (B.Sc.)1 He graduated from Sydney University, Sydney, New South Wales, Australia, with a Bachelor of Engineering (B.E.)1 He was registered as a Member, Institute of Electrical Engineering (M.I.E.E.)1 He was appointed Fellow, Insitute of Engineering Australia (F.I.E.Aust.)1 He lived in 2003 at 99 Copeland Road, Beecroft, New South Wales, Australia.1
Children of Peter Theodore Nicholson and Patricia May Ohlsson
- Peter Timothy James Nicholson2 b. 1952
- Philip Theodore Nicholson2 b. 1954
- Catherine Jane Nicholson+2 b. 1955
- Anne Elizabeth Nicholson2 b. 1957
- Alison Patricia Nicholson2 b. 1961
Patricia May Ohlsson1
She graduated with a Bachelor of Science (B.Sc.)1 From 1949, her married name became Nicholson.
Children of Patricia May Ohlsson and Peter Theodore Nicholson
- Peter Timothy James Nicholson2 b. 1952
- Philip Theodore Nicholson2 b. 1954
- Catherine Jane Nicholson+2 b. 1955
- Anne Elizabeth Nicholson2 b. 1957
- Alison Patricia Nicholson2 b. 1961
Peter Timothy James Nicholson1
He graduated from Sydney University, Sydney, New South Wales, Australia, with a Bachelor of Science (B.Sc.)1
Philip Theodore Nicholson1
He graduated from Sydney University, Sydney, New South Wales, Australia, with a Bachelor of Science (B.Sc.)1 He graduated from Sydney University, Sydney, New South Wales, Australia, with a Bachelor of Engineering (B.E.)1 He graduated from University of New South Wales, Sydney, New South Wales, Australia, with a Master of Engineering (M.E.)1
Catherine Jane Nicholson1
She graduated from Macquaries University, Sydney, New South Wales, AustraliaG, with a Bachelor of Arts (B.A.)1 From 1979, her married name became Coffee.
Child of Catherine Jane Nicholson and Bruce Kevin Coffee
- Matthew Bruce Coffee2 b. 1983
Bruce Kevin Coffee1
Child of Bruce Kevin Coffee and Catherine Jane Nicholson
- Matthew Bruce Coffee2 b. 1983
Matthew Bruce Coffee1
