Sir
William
Sinclair IIIrd of Roslin
formerly Sinclair
Born before in Roslin, Edinburghshire, Scotland
Ancestors 
Son of William Sinclair
and [mother unknown]
Husband of
Isabella (Strathearn) Countess of Caithness
— married
28 May 1344 in Orkney, Orkney Islands, Scotland
Descendants 
Father of
Henry (Sinclair) Sinclair First Earl of Orkney and Richard (Sinclair) Sinclair of Deskford
Died after
after age 30
in Roslin, Edinburghshire, Scotland
Profile last modified
| Created 21 Mar 2012
This page has been accessed 18,604 times.
| William (Sinclair) Sinclair IIIrd of Roslin was descended from a signer of the Declaration of Arbroath. Join: Scotland Project Discuss: Scotland |
| Preceded by Henry Sinclair |
3rd of Roslin 1335-1358 |
Succeeded by Henry Sinclair |
Contents |
Biography
William (Sinclair) Sinclair IIIrd of Roslin is a member of Clan Sinclair.
William was a minor when his father William Sinclair (or St. Clair) passed away in 1330. He was the 8th Lord Rosslyn/Roslin. [1]
Death aft 17 Sep 1358
Family
He married Isabella, second daughter of Malise, Earl of Strathearn.[1]
Children:
Roslyn Window
A picture of a Roslyn leaded glass window is available on Ancestry.com. Location of the window and relationship to this William are unknown.[2]
Research Notes
Three children that are attached to these parents appear to be incorrect as they are not included in other sources for this couple.[1] More research is needed.
Sources
- ↑ 1.0 1.1 1.2 1.3 1.4 Sir James Balfour Paul, The Scots peerage, founded on Wood's edition of Sir Robert Douglas's peerage of Scotland; containing an historical and genealogical account of the nobility of that kingdom, Vol. VI Published D Douglas in Edinburgh 1909. p 567, https://archive.org/details/scotspeeragefoun06paul/page/567/mode/1up?q=Sinclair
- ↑ "Rosslyn Window", image, Ancestry.com, http://trees.ancestry.com/rd?f=image&guid=30430568-9058-4d96-9b52-9e53ab09e35e&tid=24279608&pid=1502116855 Ancestry
See also:
- "Sir William Sinclair of Roslin", The Peerage, http://www.thepeerage.com/p19833.htm#i198326
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DNA Connections
It may be possible to confirm family relationships. Paternal line Y-chromosome DNA test-takers:
It may be possible to confirm family relationships. Paternal line Y-chromosome DNA test-takers:
- Robert Sinclair
:
Family Tree DNA Y-DNA Test 111 markers, haplogroup R-FGC35613, FTDNA kit #76588 - Ron Sinclair :
Family Tree DNA Y-DNA Test, haplogroup R-FGC23569, FTDNA kit #191289
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S > Sinclair | S > Sinclair IIIrd of Roslin > William (Sinclair) Sinclair IIIrd of Roslin
Categories: Scotland, Arbroath Profiles Needs Review | Declaration of Arbroath, Sinclair Family Worklist | Lords of Roslyn | Scotland Project Managed Arbroath Profiles | Clan Sinclair
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Jen
We seem to have mixed some families here. William Sinclair of Roslin is only known to have had two children (See Scots Peerage Vol 6, Page 567 for details. They were both boys; Henry, mentioned here, and David. He may also have had another daughter Euphemia that is not mentioned in that source but is in the Parliamentary Record. Catherine, certainly, was a daughter of Sir William Sinclair of Hermanston. The references here and for the connecting families are also spurious. Was this a merge that went wrong?