Susan Alexandra Ashmore1
From 30 April 1966, her married name became Sykes.
Children of Susan Alexandra Ashmore and Sir Francis John Badcock Sykes, 10th Bt.
- Sir Francis Charles Sykes, 11th Bt.3 b. 18 Jun 1968
- Edward William Sykes+3 b. 14 Aug 1970
- Alexander Henry Ashmore Sykes+3 b. 25 Feb 1974
- [S37] BP2003 volume 3, page 3844. See link for full details for this source. Hereinafter cited as. [S37]
- [S34] BP1970 page 2571. See link for full details for this source. Hereinafter cited as. [S34]
- [S37] BP2003. [S37]
- [S1605] J.N. Houterman, “re: Crosby Family,” e-mail message to BENR, 6 February 2006. Hereinafter cited as “re: Crosby Family.”
Sir Francis Charles Sykes, 11th Bt.1
He was educated at Malvern College, Malvern, Worcestershire, EnglandG.1 He graduated from Worcester College, Oxford University, Oxford, Oxfordshire, EnglandG, with a Bachelor of Arts (B.A.)1 He succeeded as the 11th Baronet Sykes, of Basildon, Berks [G.B., 1781] on 15 October 2020.
Edward William Sykes1
He was educated at Winchester College, Winchester, Hampshire, EnglandG.1 He graduated from Manchester University, Manchester, Lancashire, EnglandG, with a Bachelor of Arts (B.A.)1
Children of Edward William Sykes and Dr. Lorna Mary Bagshaw
- Toby Francis Sykes3 b. 2010
- Benjamin Michael Sykes3 b. 2013
- Madeleine Anne Sykes3 b. 2013
- [S37] BP2003 volume 3, page 3844. See link for full details for this source. Hereinafter cited as. [S37]
- [S37] BP2003. [S37]
- [S1122] Peerage News, online http://peeragenews.blogspot.co.nz/. Hereinafter cited as Peerage News.
Alexander Henry Ashmore Sykes1
He was educated at Marlborough College, Marlborough, Wiltshire, EnglandG.1 He was educated at Newcastle University, Newcastle-upon-Tyne, Northumberland, EnglandG.1
Children of Alexander Henry Ashmore Sykes and Cara Rachel Hunt
- beth Tamra Sykes3 b. 2008
- Thomas William Sykes3 b. 2010
- Anna Helen Sykes3 b. 2013
- [S37] BP2003 volume 3, page 3845. See link for full details for this source. Hereinafter cited as. [S37]
- [S37] BP2003. [S37]
- [S1122] Peerage News, online http://peeragenews.blogspot.co.nz/. Hereinafter cited as Peerage News.
William Syke1 
Children of William Syke
- William Sykes+2 d. 1578
- George Sykes1 d. a 1546
- Richard Syke1
- Robert Sykes1
William Sykes1 
He lived at Bootliffe, EnglandG.1
Children of William Sykes and Joane (?)
- Robert Sykes+2 d. c 1614
- Thomas Sykes1
- William Sykes1
Joane (?)1
From before 1531, her married name became Sykes.1
Children of Joane (?) and William Sykes
- Robert Sykes+2 d. c 1614
- Thomas Sykes1
- William Sykes1
Robert Sykes1 
He lived at Flockton, Yorkshire, EnglandG.1
Child of Robert Sykes
- Henry Sykes+2 d. c 1617
Henry Sykes1 
He lived at Flockton, Yorkshire, EnglandG.1
Children of Henry Sykes
- Elizabeth Sykes1 b. 1581
- Thomas Sykes1 b. b 1599, d. c 1631
- Edmond Sykes+2 b. 1599, d. c 1645
Edmond Sykes1 
He lived at Thornhill, Yorkshire, EnglandG.1
Children of Edmond Sykes and Mary Beaumont
- William Sykes+2 b. 1643, d. c 1686
- Mary Sykes1 b. 1645, d. c 1686