Geoffrey Nightingale1 
Children of Geoffrey Nightingale and Mary Knowlys
- Lt.-Col. Geoffrey Nightingale2 b. 1823, d. 5 Oct 1868
- Frederic Charles Nightingale+2 b. 29 Aug 1835, d. 18 Feb 1916
- Lt.-Col. Arthur Collett Nightingale2 b. 1 Mar 1837, d. 10 Jan 1899
Thomas Knowlys1
Child of Thomas Knowlys
- Mary Knowlys+2 d. 15 Apr 1873
Mary Knowlys1 
From 29 June 1822, her married name became Nightingale.
Children of Mary Knowlys and Geoffrey Nightingale
- Lt.-Col. Geoffrey Nightingale2 b. 1823, d. 5 Oct 1868
- Frederic Charles Nightingale+2 b. 29 Aug 1835, d. 18 Feb 1916
- Lt.-Col. Arthur Collett Nightingale2 b. 1 Mar 1837, d. 10 Jan 1899
Lt.-Col. Geoffrey Nightingale1 
He gained the rank of Lieutenant-Colonel in the Madras Army.1 He had two daughters (died unmarried.)1
Thomas John Knowlys1
Child of Thomas John Knowlys
- Anna Maria Martha Knowlys2 d. 28 Apr 1911
Anna Maria Martha Knowlys1 
From 25 February 1858, her married name became Nightingale.
Frederic Charles Nightingale1 
Children of Frederic Charles Nightingale and Katherine Jane Hamilton
- Philip Geoffry Nightingale2 b. c 1876, d. 7 Aug 1877
- Claud Robert Nightingale+2 b. 18 Jun 1878, d. 11 Feb 1954
- Dudley Arthur Nightingale2 b. 4 Dec 1880, d. 13 Jul 1954
Francis Hamilton1
Child of Francis Hamilton
- Katherine Jane Hamilton+2 d. 2 Nov 1918
Katherine Jane Hamilton1 
From 10 September 1868, her married name became Nightingale.
Children of Katherine Jane Hamilton and Frederic Charles Nightingale
- Philip Geoffry Nightingale2 b. c 1876, d. 7 Aug 1877
- Claud Robert Nightingale+2 b. 18 Jun 1878, d. 11 Feb 1954
- Dudley Arthur Nightingale2 b. 4 Dec 1880, d. 13 Jul 1954
Philip Geoffry Nightingale1 