Helen Calderwood1 
From 1732, her married name became Congalton.1
- [S51] Sir Bernard Burke, editor, Burke’s Genealogical and Heraldic History of the Landed Gentry, 7th edition, (London, England: Burke’s Peerage Ltd, 1886), volume 1, page 879. Hereinafter cited as Burke’s Landed Gentry, 7th ed.
- [S1042] Peter Wood, “re: Persse Family,” e-mail message to British and European Nobility Register, 2003 to 2021. Hereinafter cited as “re: Persse Family.”
William Margesson1
Child of William Margesson and unknown daughter Newdigate
- William Margesson+3 b. 26 Jul 1686, d. 1763
- [S37] BP2003 volume 2, page 2615. See link for full details for this source. Hereinafter cited as. [S37]
- [S6556] John Margesson, “re: Margesson Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 15 February 2013. Hereinafter cited as “re: Margesson Family.”
- [S37] BP2003. [S37]
unknown daughter Newdigate1
Her married name became Margesson.
Child of unknown daughter Newdigate and William Margesson
- William Margesson+2 b. 26 Jul 1686, d. 1763
William Margesson 
He was also known as William Margetson.2
Child of William Margesson and Mary Whitebread
- John Margesson+2 b. 31 Mar 1716, d. 19 May 1785
Mary Whitebread1
From 1712, her married name became Margesson.
Child of Mary Whitebread and William Margesson
- John Margesson+2 b. 31 Mar 1716, d. 19 May 1785
John Margesson1 
He held the office of High Sheriff of Sussex in 1759.1 He lived at Offington, Sussex, England.2 He lived at Ockley, Surrey, England.1 He also had two daughters.2
Child of John Margesson and Mary Penfold
- William Margesson+2 b. 11 Nov 1757, d. 21 May 1843
Mary Penfold1
She lived at Steyning, Sussex, England.1 Her married name became Margesson.
Child of Mary Penfold and John Margesson
- William Margesson+2 b. 11 Nov 1757, d. 21 May 1843
William Margesson1 
He held the office of High Sheriff of Sussex in 1805.1 He lived at Ockley, Surrey, England.2 He lived at Offington, Sussex, England.1
Child of William Margesson and Mary Hughes
- Reverend William Margesson+2 b. 7 Feb 1792, d. 20 May 1871
John Hughes1
Child of John Hughes
- Mary Hughes+2 d. 21 Jul 1826
Mary Hughes1 
From 7 May 1790, her married name became Margesson.
Child of Mary Hughes and William Margesson
- Reverend William Margesson+2 b. 7 Feb 1792, d. 20 May 1871
