John Sinclair1 
He lived at Durran, ScotlandG.1
Child of John Sinclair and Elizabeth Sinclair
- James Sinclair of Durran+2 b. 1718, d. 1793
George Sinclair, 1st of Barrock1 
He lived at Barrock, Wick, Caithness, Scotland.3
Children of George Sinclair, 1st of Barrock and Elizabeth Cumming
Children of George Sinclair, 1st of Barrock and Elizabeth Murray
Children of George Sinclair, 1st of Barrock and Anne Dunbar
Elizabeth Sinclair1
Child of Elizabeth Sinclair and John Sinclair
- James Sinclair of Durran+2 b. 1718, d. 1793
James Sinclair of Durran1 
He lived at Durran, ScotlandG.1
Child of James Sinclair of Durran and Dorothea Bruce
- John Sinclair3 d. b 1789
Children of James Sinclair of Durran and Elizabeth Dunbar
- Major Robert Sinclair3 d. 1793
- Catherine Sinclair3 d. c 1820
- Elizabeth Sinclair3
- Margaret Sinclair3 b. 19 May 1744
- James Sinclair3 b. 19 Jul 1745
- Captain Patrick Sinclair+3 b. 26 Jun 1747, d. 1794
- George Sinclair+3 b. 11 Feb 1749, d. 6 Dec 1779
Sir Patrick Dunbar of Northfield, 3rd Bt.1 
He held the office of Member of Parliament (M.P.) for Caithness between 1727 and 1734.2 He succeeded as the 3rd Baronet Dunbar, of Northfield [N.S., 1700] in 1742.2 On his death, the baronetcy became dormant.2
Children of Sir Patrick Dunbar of Northfield, 3rd Bt. and Catherine Brodie
- Elizabeth Dunbar+2 d. 1782
- John Dunbar2 b. c 1726, d. Apr 1749
Elizabeth Dunbar1 
From 1744, her married name became Sinclair.
Children of Elizabeth Dunbar and James Sinclair of Durran
- Major Robert Sinclair2 d. 1793
- Catherine Sinclair2 d. c 1820
- Elizabeth Sinclair2
- Margaret Sinclair2 b. 19 May 1744
- James Sinclair2 b. 19 Jul 1745
- Captain Patrick Sinclair+2 b. 26 Jun 1747, d. 1794
- George Sinclair+2 b. 11 Feb 1749, d. 6 Dec 1779
James Sinclair1 
Miranda Rosemary Leatham1
From 1997, her married name became Rock.2
Children of Miranda Rosemary Leatham and Orlando William Adam Rock
- Matilda Rock1
- Cosmo Rock1
- Jemima Victoria Rock1 b. 27 Mar 2004
- Lila Corinna Rock1 b. 1 Sep 2008
- [S1122] Peerage News, online http://peeragenews.blogspot.co.nz/. Hereinafter cited as Peerage News.
- [S37] BP2003 volume 1, page 1365. See link for full details for this source. Hereinafter cited as. [S37]
Orlando William Adam Rock1
Children of Orlando William Adam Rock and Miranda Rosemary Leatham
- Matilda Rock2
- Cosmo Rock2
- Jemima Victoria Rock2 b. 27 Mar 2004
- Lila Corinna Rock2 b. 1 Sep 2008
- [S37] BP2003 volume 1, page 1365. See link for full details for this source. Hereinafter cited as. [S37]
- [S1122] Peerage News, online http://peeragenews.blogspot.co.nz/. Hereinafter cited as Peerage News.
Jemima Victoria Rock1
- [S1122] Peerage News, online http://peeragenews.blogspot.co.nz/. Hereinafter cited as Peerage News.
