Captain unknown Cock1
He gained the rank of Captain in the British Army.1
Children of Captain unknown Cock and Elizabeth Clarke
Matthew Cock1
He was a clerk in the Exchequer.1
Letitia Penelope Cock1
Her married name became Crispin.1
Robert Crispin1
He was admitted to Lincoln’s Inn.1
Anne Clarke1 
Elizabeth Byron1 
From 9 July 1830, her married name became Clarke.1
- [S3268] Hans Harmsen, “re: Chester Family,” e-mail message to BENR, 21 August 2008. Hereinafter cited as “re: Chester Family.”
- [S4567] Bill Norton, “re: Pitman Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 6 April 2010 and 19 April 2011. Hereinafter cited as “re: Pitman Family.”
George Rochfort Clarke1 
He held the office of Justice of the Peace (J.P.)2
- [S3268] Hans Harmsen, “re: Chester Family,” e-mail message to BENR, 21 August 2008. Hereinafter cited as “re: Chester Family.”
- [S4567] Bill Norton, “re: Pitman Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 6 April 2010 and 19 April 2011. Hereinafter cited as “re: Pitman Family.”
Elizabeth Rochfort1 
From 4 September 1793, her married name became Clarke.1
Children of Elizabeth Rochfort and George Clarke
- George Hyde Clarke1 b. 17 Sep 1795, d. 27 Feb 1820
- Edward Hyde Clarke1 b. 1797, d. 25 Dec 1873
- George Rochfort Clarke1 b. 31 Mar 1801, d. 1889
- Catherine Clarke1 b. 28 Feb 1802, d. a 1867
- Elizabeth Clarke1 b. Dec 1805, d. a 1867
- [S3268] Hans Harmsen, “re: Chester Family,” e-mail message to BENR, 21 August 2008. Hereinafter cited as “re: Chester Family.”
- [S4567] Bill Norton, “re: Pitman Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 6 April 2010 and 19 April 2011. Hereinafter cited as “re: Pitman Family.”
Lt.-Gen. George Rochfort1,2 
He lived at County Westmeath, IrelandG.1 He was Chief Fire Marshal to the Royal Laboratory.2
Children of Lt.-Gen. George Rochfort and Elizabeth Tinling
- Sarah Rochfort3
- Elizabeth Rochfort+1 b. 1772, d. 8 Sep 1861
- [S3268] Hans Harmsen, “re: Chester Family,” e-mail message to BENR, 21 August 2008. Hereinafter cited as “re: Chester Family.”
- [S4567] Bill Norton, “re: Pitman Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 6 April 2010 and 19 April 2011. Hereinafter cited as “re: Pitman Family.”
- [S5792] Robin Dening, “re: Rochfort Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 2 January 2012. Hereinafter cited as “re: Rochfort Family.”
George Hyde Clarke1 
He was naturalized as a an American citizen on 5 August 1811.1
- [S3268] Hans Harmsen, “re: Chester Family,” e-mail message to BENR, 21 August 2008. Hereinafter cited as “re: Chester Family.”
- [S4567] Bill Norton, “re: Pitman Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 6 April 2010 and 19 April 2011. Hereinafter cited as “re: Pitman Family.”