James Lowry Colvill1 
George Albert Colvill1 
He gained the rank of Captain in the The Buffs.1
Robert Frederick Stewart Colvill1 
He was educated at Repton School, Repton, Derbyshire, EnglandG.1 He was educated at Clare College, Cambridge University, Cambridge, Cambridgeshire, EnglandG.1 He held the office of High Sheriff of County Dublin in 1910.1 He lived at Coolock House, County Dublin, IrelandG.1
Children of Robert Frederick Stewart Colvill and Sophia Maconchy
- Captain James Chaigneau Colvill+1 b. 20 Oct 1892, d. 29 Nov 1976
- George Chaigneau Colvill2 b. 31 Jan 1894, d. 30 Nov 1917
- Colonel Robert Lowry Chaigneau Colvill+2 b. 11 Jul 1896, d. 7 Jan 1973
- Lt.-Col. David Chaigneau Colvill2 b. 4 Jul 1898, d. 2 Oct 1979
Deborah Colvill1 
Hester Colvill1 
Annalette Colvill1 
Helen Colvill1 
John Lapp1
Child of John Lapp
- [S47] BIFR1976 page 265. See link for full details for this source. Hereinafter cited as. [S47]
Sophia Maconchy1 
From 24 October 1891, her married name became Colvill.
Children of Sophia Maconchy and Robert Frederick Stewart Colvill
- Captain James Chaigneau Colvill+1 b. 20 Oct 1892, d. 29 Nov 1976
- George Chaigneau Colvill2 b. 31 Jan 1894, d. 30 Nov 1917
- Colonel Robert Lowry Chaigneau Colvill+2 b. 11 Jul 1896, d. 7 Jan 1973
- Lt.-Col. David Chaigneau Colvill2 b. 4 Jul 1898, d. 2 Oct 1979
Sarah Lennox1 
She lived at Londonderry, County Londonderry, IrelandG.1 From 22 August 1772, her married name became Colvill.1
Children of Sarah Lennox and Robert Colvill
- William Colvill+2 b. 1773, d. 1817
- Robert Lennox Colvill2 b. 1774, d. 21 May 1827
- Thompson Colvill2 b. 1774, d. 19 May 1827
