Henry Mainwaring1 
He lived at Over Peover, EnglandG.2
Child of Henry Mainwaring and Diana Blackett
- Sir Henry Mainwaring, 4th Bt.1 d. 1797
- [S15] George Edward Cokayne, editor, The Complete Baronetage, 5 volumes (no date (c. 1900); reprint, Gloucester, U.K.: Alan Sutton Publishing, 1983), volume IV, page 59. Hereinafter cited as The Complete Baronetage.
- [S37] BP2003 volume 1, page 385. See link for full details for this source. Hereinafter cited as. [S37]
Sir Henry Mainwaring, 4th Bt.1 

Sir Henry Mainwaring, 4th Bt. was the son of Henry Mainwaring and Diana Blackett.1 He died in 1797.
He gained the title of 4th Baronet Mainwaring.
- [S15] George Edward Cokayne, editor, The Complete Baronetage, 5 volumes (no date (c. 1900); reprint, Gloucester, U.K.: Alan Sutton Publishing, 1983), volume IV, page 59. Hereinafter cited as The Complete Baronetage.
- [S3409] Caroline Maubois, “re: Penancoet Family,” e-mail message to BENR, 2 December 2008. Hereinafter cited as “re: Penancoet Family.”
Mary Jekyll1 
Her married name became Roberts.1 Her married name became Blackett.1
- [S15] George Edward Cokayne, editor, The Complete Baronetage, 5 volumes (no date (c. 1900); reprint, Gloucester, U.K.: Alan Sutton Publishing, 1983), volume IV, page 59. Hereinafter cited as The Complete Baronetage.
- [S18] Matthew H.C.G., editor, Dictionary of National Biography on CD-ROM (Oxford, U.K.: Oxford University Press, 1995). Hereinafter cited as Dictionary of National Biography.
Reverend Thomas Jekyll1 
He graduated with a Doctor of Divinity (D.D.)1 He was educated at Merchant Taylors’ School, London, England.3 He was educated at Trinity College, Oxford University, Oxford, Oxfordshire, England.3 He was educated at Sidney Sussex College, Cambridge University, Cambridge, Cambridgeshire, England.3 He was Vicar between 1674 and 1678 at Rowde, Wiltshire, England.3 He was Vicar between 1678 and 1680 at Newland, Gloucestershire, England.3 His last will was dated 27 March 1698.3
Child of Reverend Thomas Jekyll and Elizabeth Howse
- Mary Jekyll1 b. c 1674, d. Dec 1756
- [S15] George Edward Cokayne, editor, The Complete Baronetage, 5 volumes (no date (c. 1900); reprint, Gloucester, U.K.: Alan Sutton Publishing, 1983), volume IV, page 59. Hereinafter cited as The Complete Baronetage.
- [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.”
- [S18] Matthew H.C.G., editor, Dictionary of National Biography on CD-ROM (Oxford, U.K.: Oxford University Press, 1995). Hereinafter cited as Dictionary of National Biography.
John Jekyll1 
He was a radical dissenting politician and haberdasher. His last will was dated 18 March 1683.
Child of John Jekyll and Elizabeth Ward
- Reverend Thomas Jekyll+1 b. 16 Jul 1646, d. 1 Oct 1698
Child of John Jekyll and Tryphena Saunders
- Sir Joseph Jekyll1 b. 1663, d. 1738
- [S15] George Edward Cokayne, editor, The Complete Baronetage, 5 volumes (no date (c. 1900); reprint, Gloucester, U.K.: Alan Sutton Publishing, 1983), volume IV, page 59. Hereinafter cited as The Complete Baronetage.
Sir Joseph Jekyll1 

by Michael Dahl 2
Sir Joseph Jekyll was born in 1663.2 He was the son of John Jekyll and Tryphena Saunders.1 He died in 1738.2
He held the office of Master of the Rolls between 1717 and 1738.1
- [S15] George Edward Cokayne, editor, The Complete Baronetage, 5 volumes (no date (c. 1900); reprint, Gloucester, U.K.: Alan Sutton Publishing, 1983), volume IV, page 59. Hereinafter cited as The Complete Baronetage.
- [S3409] Caroline Maubois, “re: Penancoet Family,” e-mail message to BENR, 2 December 2008. Hereinafter cited as “re: Penancoet Family.”
Nicholas Roberts1
He was a merchant at London, EnglandG.1
- [S15] George Edward Cokayne, editor, The Complete Baronetage, 5 volumes (no date (c. 1900); reprint, Gloucester, U.K.: Alan Sutton Publishing, 1983), volume IV, page 59. Hereinafter cited as The Complete Baronetage.
John Blackett1 
He lived at Newby, Yorkshire, EnglandG.1
Child of John Blackett and Patience Wise
- Sir Edward Blackett, 4th Bt.+1 b. 9 Apr 1719, d. 3 Feb 1804
- [S15] George Edward Cokayne, editor, The Complete Baronetage, 5 volumes (no date (c. 1900); reprint, Gloucester, U.K.: Alan Sutton Publishing, 1983), volume IV, page 59. Hereinafter cited as The Complete Baronetage.
Patience Wise1 
Her married name became Blackett.1
Child of Patience Wise and John Blackett
- Sir Edward Blackett, 4th Bt.+1 b. 9 Apr 1719, d. 3 Feb 1804
- [S15] George Edward Cokayne, editor, The Complete Baronetage, 5 volumes (no date (c. 1900); reprint, Gloucester, U.K.: Alan Sutton Publishing, 1983), volume IV, page 59. Hereinafter cited as The Complete Baronetage.
Henry Wise1 
Child of Henry Wise
- [S15] George Edward Cokayne, editor, The Complete Baronetage, 5 volumes (no date (c. 1900); reprint, Gloucester, U.K.: Alan Sutton Publishing, 1983), volume IV, page 59. Hereinafter cited as The Complete Baronetage.