Christine Fiona Martin1
Mary Kay Martin1
Mary Elizabeth Cooke-Yarborough1
From 27 March 1965, her married name became Porteous. She lived in 2003 at 65 Lyncroft Gardens, Hounslow, London, EnglandG.1
Children of Mary Elizabeth Cooke-Yarborough and Robert Alexander Porteous
- Alexander Michael Porteous2 b. 26 Aug 1967
- Robert James Porteous2 b. 19 Dec 1968
Alexander Porteous1
Child of Alexander Porteous
Robert Alexander Porteous1
Children of Robert Alexander Porteous and Mary Elizabeth Cooke-Yarborough
- Alexander Michael Porteous2 b. 26 Aug 1967
- Robert James Porteous2 b. 19 Dec 1968
Alexander Michael Porteous1
Robert James Porteous1
William Henry Cooke-Yarborough1 
Children of William Henry Cooke-Yarborough and Charlotte Georgina Chase
- Dorothy Maud Cooke-Yarborough2 d. 22 Jan 1954
- Constance Mary Cooke-Yarborough2 b. 18 Apr 1884, d. Dec 1965
- Wilfred Ernest Cooke-Yarborough2 b. 1887, d. 12 Dec 1947
- Geoffrey Michael Cooke-Yarborough2 b. 1888, d. 14 Feb 1958
Morgan Charles Chase1
Child of Morgan Charles Chase
- Charlotte Georgina Chase+2 d. 22 Dec 1943
Charlotte Georgina Chase1 
From 1883, her married name became Cooke-Yarborough.1
Children of Charlotte Georgina Chase and William Henry Cooke-Yarborough
- Dorothy Maud Cooke-Yarborough2 d. 22 Jan 1954
- Constance Mary Cooke-Yarborough2 b. 18 Apr 1884, d. Dec 1965
- Wilfred Ernest Cooke-Yarborough2 b. 1887, d. 12 Dec 1947
- Geoffrey Michael Cooke-Yarborough2 b. 1888, d. 14 Feb 1958
