Mary Grace Montgomery Grove1 
From 11 August 1897, her married name became Campbell.1
Children of Mary Grace Montgomery Grove and Colonel Alan James Campbell
- Alan Robert Sinclair Campbell2 b. 21 Jul 1898, d. 2 Sep 1918
- Maj.-Gen. Sir Alexander Douglas Campbell+2 b. 20 Jun 1899, d. 3 Apr 1980
- Catherine Agnes Meta Campbell+1 b. 29 Jan 1901
- Mary Vera Eileen Campbell+2 b. 2 Feb 1903
- Ailsa Marjorie Campbell+2 b. 1 Mar 1905
Donna Maria Teresa Revertera1 
Child of Donna Maria Teresa Revertera and Lelio Caracciolo, 5th Duca di San Vito e 10th Duca di San Giovanni Rotondo e 6th Duca di Flumeri
- Donna Maria Felice Caracciolo+1 b. 9 Sep 1797, d. 8 Sep 1838
Alan Robert Sinclair Campbell1

He fought in the First World War.1
Maria Petronilla Coppola1 
Pasquale del Balzo, 5th Duca di Presenzano1 
He succeeded as the 5th Duca di Presenzano in 1854.
Child of Pasquale del Balzo, 5th Duca di Presenzano and Maria Concetta Bassano Cervo
- Don Gennaro del Balzo+1 b. 11 Dec 1859, d. 1929
Child of Pasquale del Balzo, 5th Duca di Presenzano and Donna Giulia Brancia
- Don Gioacchino del Balzo+1 b. 19 Sep 1873, d. 23 Aug 1938
Maria Concetta Bassano Cervo1 
Child of Maria Concetta Bassano Cervo and Pasquale del Balzo, 5th Duca di Presenzano
- Don Gennaro del Balzo+1 b. 11 Dec 1859, d. 1929
Alexander Roy Carlyon Campbell1

He fought in the Second World War.1 He gained the rank of Second Lieutenant in the Royal Engineers.1
Alan Farrington Campbell1
He was educated at Cheltenham College, Cheltenham, Gloucestershire, EnglandG.1 He gained the rank of Major in the Royal Engineers.1 He lived at Quarry Gate House, Chicksgrove, Wiltshire, England.1
Children of Alan Farrington Campbell and Jean Beatrice Jill de Pass
- Jonathan Roy Alan Campbell2 b. 13 Oct 1963
- Sarah Carlyon Campbell2 b. 23 Aug 1966
Lt.-Col. Alan de Pass1
Child of Lt.-Col. Alan de Pass
Jean Beatrice Jill de Pass1
From 10 October 1959, her married name became Campbell.1
Children of Jean Beatrice Jill de Pass and Alan Farrington Campbell
- Jonathan Roy Alan Campbell2 b. 13 Oct 1963
- Sarah Carlyon Campbell2 b. 23 Aug 1966
