Maria Claudia Miguez1
From 1990, her married name became Frederick.
Mercedes Inés Frederick1
From 1985, her married name became Pittamiglio.
Marcelo Pittamiglio1
- [S37] BP2003 volume 1, page 1491. See link for full details for this source. Hereinafter cited as. [S37]
Louisa Carmen Frederick1
From 21 November 1934, her married name became van Wijngaarden.
W. J. H. van Wijngaarden1 
- [S37] BP2003 volume 1, page 1491. See link for full details for this source. Hereinafter cited as. [S37]
Edward Gurdon Frederick1 
He was registered as a Member, Royal College of Surgeons (M.R.C.S.)1 He was registered as a Licentiate, Royal College of Physicians, London (L.R.C.P.)1
Children of Edward Gurdon Frederick and Annie Margaret Balfour Vance
- Kathleen Patricia Frederick2 d. 31 Aug 1960
- Edward Vincent Frederick+2 b. 4 Feb 1902, d. 8 Mar 1969
Thomas Shaw Vance1
Child of Thomas Shaw Vance
- Annie Margaret Balfour Vance+2 d. 27 Oct 1960
Annie Margaret Balfour Vance1 
From 7 June 1899, her married name became Frederick.
Children of Annie Margaret Balfour Vance and Edward Gurdon Frederick
- Kathleen Patricia Frederick2 d. 31 Aug 1960
- Edward Vincent Frederick+2 b. 4 Feb 1902, d. 8 Mar 1969
Edward Vincent Frederick1 
He was registered as a Member, Royal College of Surgeons (M.R.C.S.)1 He was registered as a Licentiate, Royal College of Physicians, London (L.R.C.P.)1
Children of Edward Vincent Frederick and Joan Olive Dunford
- Helen Mary Frederick2 b. 15 Apr 1947
- Christopher Hugh Frederick2 b. 20 May 1948
- Auriol Rosalind Frederick2 b. 30 Apr 1952