
1901 - 1975 (73 years)
Descendants (4 Generations)
Children (6) - Generation 2
| # | Children | Name | Born | Died | Father | Mother |
| 1 | | | b. 15 Aug 1927 | d. 5 Nov 2009 | The Hon. Sir Geoffrey Cokayne Gibbs, KCMG | Helen Margaret Leslie, CBE |
| 2 | | | b. 18 Jul 1929 | d. 12 Nov 2017 | The Hon. Sir Geoffrey Cokayne Gibbs, KCMG | Helen Margaret Leslie, CBE |
| 3 | | | b. 20 Nov 1932 | d. 25 Apr 2021 | The Hon. Sir Geoffrey Cokayne Gibbs, KCMG | Helen Margaret Leslie, CBE |
| 4 | | | b. 13 Oct 1934 | d. 3 Oct 2018 | The Hon. Sir Geoffrey Cokayne Gibbs, KCMG | Helen Margaret Leslie, CBE |
| 5 | | | b. 29 Jul 1938 | d. 29 Jul 2018 | The Hon. Sir Geoffrey Cokayne Gibbs, KCMG | Helen Margaret Leslie, CBE |
| 6 | | | | | The Hon. Sir Geoffrey Cokayne Gibbs, KCMG | Helen Margaret Leslie, CBE |