Hon. Waveney Mancroft Samuel1 
From 1 December 1950, her married name became Garthwaite.
Child of Hon. Waveney Mancroft Samuel and Anthony William Garthwaite
- Nicholas Anthony William Mancroft Garthwaite+2 b. 26 Mar 1952
Nicholas Anthony William Mancroft Garthwaite1
He was educated at Winchester College, Winchester, Hampshire, EnglandG.1
Children of Nicholas Anthony William Mancroft Garthwaite and Caroline C. Willbourne
- Oliver Julian Garthwaite+2 b. 1986
- Felix Sebastian Garthwaite2 b. 1987
- Piers Marcus Garthwaite2 b. 1990
Caroline C. Willbourne1
She lived at Thorney, Peterborough, Cambridgeshire, EnglandG.1 From 1982, her married name became Garthwaite.
Children of Caroline C. Willbourne and Nicholas Anthony William Mancroft Garthwaite
- Oliver Julian Garthwaite+2 b. 1986
- Felix Sebastian Garthwaite2 b. 1987
- Piers Marcus Garthwaite2 b. 1990
Oliver Julian Garthwaite1
Child of Oliver Julian Garthwaite and Giovanna E. Campagna
- Letizia Rosetta Garthwaite3 b. 21 May 2020
Felix Sebastian Garthwaite1
Piers Marcus Garthwaite1
Josette Garthwaite1 
From 7 September 1940, her married name became Mouzillat.
Robert Mouzillat1
