Admiral Thomas Lennox Frederick1 
He gained the rank of Admiral.1
Annie Greigson1
Her married name became Frederick.
- [S37] BP2003 volume 1, page 1490. See link for full details for this source. Hereinafter cited as. [S37]
Colonel Edward Boscawen Frederick1 
He gained the rank of Colonel.1
Caroline Mowbray Smith1
From 1835, her married name became Frederick.
Augusta Frederick1 
Her married name became Prescott.
Child of Augusta Frederick and Thomas Prescott
- George Prescott+2 b. 9 Aug 1772, d. 10 May 1800
- [S37] BP2003 volume 1, page 1490. See link for full details for this source. Hereinafter cited as. [S37]
- [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.”
- [S37] BP2003. [S37]
Sir G. Prescott1
Child of Sir G. Prescott
- Thomas Prescott+2 b. 1751, d. 1839
Thomas Prescott1 
Child of Thomas Prescott and Augusta Frederick
- George Prescott+2 b. 9 Aug 1772, d. 10 May 1800
- [S37] BP2003 volume 1, page 1490. See link for full details for this source. Hereinafter cited as. [S37]
- [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.”
- [S37] BP2003. [S37]
Robert Pickering1
Child of Robert Pickering
- Sarah Pickering+2 d. 1774
Sarah Pickering1 
From 12 June 1760, her married name became Frederick.
Children of Sarah Pickering and Maj.-Gen. Marescoe Frederick
- Lt.-Col. Thomas Frederick+2 b. 23 Apr 1764, d. 28 May 1844
- Lt.-Col. Robert Frederick2 b. 6 May 1774, d. 4 Jun 1844