Valma Jean Cook1 
From 1959, her married name became Myburgh. From 1989, her married name became Gradwell.1
Children of Valma Jean Cook and Mervyn Noel Myburgh
- Gary Peter Myburgh+3 b. 1960
- Robert Evelyn Myburgh+3 b. 1962
- Susan Mary Myburgh+3 b. 1964
- [S37] BP2003 volume 3, page 4057. See link for full details for this source. Hereinafter cited as. [S37]
- [S7883] Jill Butland, “re: Butland Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 25 January 2016. Hereinafter cited as “re: Butland Family.”
- [S37] BP2003. [S37]
Mervyn Noel Myburgh1 
Children of Mervyn Noel Myburgh and Valma Jean Cook
- Gary Peter Myburgh+2 b. 1960
- Robert Evelyn Myburgh+2 b. 1962
- Susan Mary Myburgh+2 b. 1964
Gary Peter Myburgh1
Children of Gary Peter Myburgh and Eugene Margrette Smith
- Hannah Paige Myburgh2 b. 1998
- Curtis Lloyd Myburgh2 b. 2000
Eugene Margrette Smith1
From 1990, her married name became Myburgh.
Children of Eugene Margrette Smith and Gary Peter Myburgh
- Hannah Paige Myburgh2 b. 1998
- Curtis Lloyd Myburgh2 b. 2000
Curtis Lloyd Myburgh1
Hannah Paige Myburgh1
Robert Evelyn Myburgh1
Child of Robert Evelyn Myburgh and Linda Ann Murry
- Keaton Robert Charles Myburgh2 b. 1997
Linda Ann Murry1
From 1991, her married name became Myburgh.
Child of Linda Ann Murry and Robert Evelyn Myburgh
- Keaton Robert Charles Myburgh2 b. 1997
Keaton Robert Charles Myburgh1
Susan Mary Myburgh1
From 1993, her married name became Swensson.
Children of Susan Mary Myburgh and Peter Gordon Swensson
- Kimberley Swensson2 b. 1994
- Kirtleigh Ann Swensson2 b. 1996
- Cainan Russell Swensson2 b. 1998