Joanna Jacobina de Hubbenet1 
From 7 February 1842, her married name became Curtis.
Child of Joanna Jacobina de Hubbenet and Maj.-Gen. William Frederick Curtis
- Brig.-Gen. William Frederick de Hubbenet Curtis+2 b. 2 Dec 1842, d. 27 Apr 1906
Brig.-Gen. William Frederick de Hubbenet Curtis1 
He gained the rank of Brigadier-General in the Royal Artillery.1
Children of Brig.-Gen. William Frederick de Hubbenet Curtis and Mary Owen Nicholls
- Freda Isabella Curtis2
- Olga Bijou Dinah Curtis2
- Joceline Sophia Lilian Curtis2
- Lt.-Col. Frederick Curtis2 b. 3 Dec 1882
- Major Oscar Owen Curtis2 b. 8 Jan 1889
John Ward Nicholls1
Child of John Ward Nicholls
- Mary Owen Nicholls+2 d. 13 Sep 1934
Mary Owen Nicholls1 
From 11 November 1880, her married name became Curtis.
Children of Mary Owen Nicholls and Brig.-Gen. William Frederick de Hubbenet Curtis
- Freda Isabella Curtis2
- Olga Bijou Dinah Curtis2
- Joceline Sophia Lilian Curtis2
- Lt.-Col. Frederick Curtis2 b. 3 Dec 1882
- Major Oscar Owen Curtis2 b. 8 Jan 1889
Lt.-Col. Frederick Curtis1 
He gained the rank of Lieutenant-Colonel in the 19th Lancers (Fane’s Horse), Indian Army.1
Major Oscar Owen Curtis1 
He gained the rank of Major in the Indian Army.1
Edward King-Frazer1
Child of Edward King-Frazer
Mabel Frances Isobel King-Frazer1
From 1939, her married name became Curtis.
Freda Isabella Curtis1
Olga Bijou Dinah Curtis1
From 29 December 1928, her married name became Foster.
