William Colvill1 
Hugh Colvill1 
Robert Colvill1 
Children of Robert Colvill and Sarah Patterson
- Lt.-Col. Hugh Colvill2 b. Aug 1748, d. 1818
- Robert Patterson Colvill+2 b. 1750, d. 1780
Sarah Patterson1
From 1740, her married name became Colvill.
Children of Sarah Patterson and Robert Colvill
- Lt.-Col. Hugh Colvill2 b. Aug 1748, d. 1818
- Robert Patterson Colvill+2 b. 1750, d. 1780
Lt.-Col. Hugh Colvill1 
He gained the rank of Lieutenant-Colonel in the 54th Regiment.1 He was the Commander at Royal Hibernian Military School, ScotlandG.1
Robert Patterson Colvill1 
He gained the rank of Captain in the 46th Regiment.1
Children of Robert Patterson Colvill and Hannah Ormsby
- Sarah Colvill2 d. 1821
- Dorothea Colvill2 d. 1821
- Robert John Colvill2 b. 3 Jan 1778, d. 1849
Hannah Ormsby1
She lived at Cummin, County Sligo, IrelandG.1 From November 1774, her married name became Colvill.
Children of Hannah Ormsby and Robert Patterson Colvill
- Sarah Colvill2 d. 1821
- Dorothea Colvill2 d. 1821
- Robert John Colvill2 b. 3 Jan 1778, d. 1849
Robert John Colvill1 
Sarah Colvill1 
Dorothea Colvill1 
