Ivan Vasilievich (?)1 
Child of Ivan Vasilievich (?)
- Ivan Ivanovich (?)+1 d. c 1493
- [S262] Russia, online http://www.friesian.com/russia. Hereinafter cited as Russia.
Basil (?)1 
Child of Basil (?)
- Ivan Vasilievich (?)+1 d. a 1478
- [S262] Russia, online http://www.friesian.com/russia. Hereinafter cited as Russia.
Rurik, Prince of Novgorod1 
Child of Rurik, Prince of Novgorod
- Igor I, Grand Duke of Kiev+1 d. 945
- [S262] Russia, online http://www.friesian.com/russia. Hereinafter cited as Russia.
St. Olga (?)1
She was also known as Helga (?)1 She held the office of Regent of Kiev between 945 and 957.1
Child of St. Olga (?) and Igor I, Grand Duke of Kiev
- [S262] Russia, online http://www.friesian.com/russia. Hereinafter cited as Russia.
Jane J. Williams1 
- [S264] David Gardiner, online unknown url, David Gardiner (unknown location), downloaded 5 March 2007.
Mildred Williams1 
- [S264] David Gardiner, online unknown url, David Gardiner (unknown location), downloaded 5 March 2007.
Sir Henry Mainwaring, 1st Bt.1 
He gained the title of 1st Baronet Mainwaring.3 He lived at Over Peover, Cheshire, EnglandG.3
Children of Sir Henry Mainwaring, 1st Bt. and Sophia Cotton
- Catherine Mainwaring2
- Sir Henry Mainwaring, 2nd Bt.+2 b. 3 Nov 1804, d. 23 Sep 1875
- Sophia Frances Mainwaring2 b. 1 Mar 1806
- Hester Maria Mainwaring2 b. 26 Apr 1807
- Thomas Mainwaring2 b. 30 Dec 1808
- Philip Mainwaring2 b. 9 May 1810
- Charlotte Augusta Mainwaring+2 b. 15 Mar 1812
- Katherine Mainwaring2 b. 9 Sep 1813
- Captain Arthur Mainwaring2 b. 15 Jul 1815, d. 1876
- Mary Mainwaring+2 b. 28 Sep 1817
- Caroline Mainwaring2 b. 24 May 1820
- [S88] E. M. Swinhoe, editor, Burke’s Genealogical and Heraldic History of the Peerage, Baronetage and Knightage, 93rd edition (London, U.K.: Burke’s Peerage Ltd, 1933), page 1594. Hereinafter cited as Burkes Peerage and Baronetage, 93th ed.
- [S264] David Gardiner, online unknown url, David Gardiner (unknown location), downloaded 5 March 2007.
- [S37] BP2003 volume 1, page 873. See link for full details for this source. Hereinafter cited as. [S37]
Catherine Mainwaring1
- [S264] David Gardiner, online unknown url, David Gardiner (unknown location), downloaded 5 March 2007.
Sophia Cotton1
From 29 December 1803, her married name became Mainwaring.
Children of Sophia Cotton and Sir Henry Mainwaring, 1st Bt.
- Catherine Mainwaring2
- Sir Henry Mainwaring, 2nd Bt.+2 b. 3 Nov 1804, d. 23 Sep 1875
- Sophia Frances Mainwaring2 b. 1 Mar 1806
- Hester Maria Mainwaring2 b. 26 Apr 1807
- Thomas Mainwaring2 b. 30 Dec 1808
- Philip Mainwaring2 b. 9 May 1810
- Charlotte Augusta Mainwaring+2 b. 15 Mar 1812
- Katherine Mainwaring2 b. 9 Sep 1813
- Captain Arthur Mainwaring2 b. 15 Jul 1815, d. 1876
- Mary Mainwaring+2 b. 28 Sep 1817
- Caroline Mainwaring2 b. 24 May 1820
Emma Sophia Mainwaring1,2 
- [S264] David Gardiner, online unknown url, David Gardiner (unknown location), downloaded 5 March 2007.
- [S7506] Bruce Mathers, “re: Mainwaring Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 29 March 2015. Hereinafter cited as “re: Mainwaring Family.”
