Alexander Campbell-Johnston
Child of Alexander Campbell-Johnston
- Charlotte Campbell Campbell-Johnston+ d. 1941
Robert Hudleston Williamson 
Child of Robert Hudleston Williamson and Margaret Grace Gordon
- Captain Cecil Hedworth Williamson+ b. 18 Oct 1845, d. 27 Jun 1909
Margaret Grace Gordon 
Her married name became Williamson.
Child of Margaret Grace Gordon and Robert Hudleston Williamson
- Captain Cecil Hedworth Williamson+ b. 18 Oct 1845, d. 27 Jun 1909
William Gordon 
Child of William Gordon
Sir Hedworth Williamson, 6th Bt.1 
He gained the title of 6th Baronet Williamson.
Children of Sir Hedworth Williamson, 6th Bt. and Maria Hamilton
- Sir Hedworth Williamson, 7th Bt.+1 b. 1 Nov 1797, d. 24 Apr 1861
- Maria Dorothea Williamson+ b. 4 Nov 1798, d. a 8 Apr 1833
- Sophia Jane Williamson2 b. 21 Nov 1803, d. 21 May 1865
- Robert Hudleston Williamson+ b. 5 Apr 1810, d. 14 Aug 1869
- [S15] George Edward Cokayne, editor, The Complete Baronetage, 5 volumes (no date (c. 1900); reprint, Gloucester, U.K.: Alan Sutton Publishing, 1983), volume II, page 180. Hereinafter cited as The Complete Baronetage.
- [S37] BP2003 volume 3, page 4284. See link for full details for this source. Hereinafter cited as. [S37]
Maria Hamilton 
Her married name became Williamson.
Children of Maria Hamilton and Sir Hedworth Williamson, 6th Bt.
- Sir Hedworth Williamson, 7th Bt.+ b. 1 Nov 1797, d. 24 Apr 1861
- Maria Dorothea Williamson+ b. 4 Nov 1798, d. a 8 Apr 1833
- Sophia Jane Williamson b. 21 Nov 1803, d. 21 May 1865
- Robert Hudleston Williamson+ b. 5 Apr 1810, d. 14 Aug 1869
- [S7529] WikiTree, online http://www.wikitree.com/. Hereinafter cited as WikiTree.
Sir James Hamilton 
Child of Sir James Hamilton
- Maria Hamilton+ b. c 1775, d. 10 Jan 1848
Dominic Caldecott1
Children of Dominic Caldecott and Sarah Caroline Gordon Lennox
- Frederick Arthur Nicholas Caldecott1 b. 1989
- Thomas Andrew Caldecott1 b. 1989
- Rufus George Caldecott1 b. 1993
- [S37] BP2003 volume 2, page 1592. See link for full details for this source. Hereinafter cited as. [S37]
Frederick Arthur Nicholas Caldecott1 
- [S37] BP2003 volume 2, page 1592. See link for full details for this source. Hereinafter cited as. [S37]
Thomas Andrew Caldecott1 
- [S37] BP2003 volume 2, page 1592. See link for full details for this source. Hereinafter cited as. [S37]
