William (St. Clair) SINCLAIR

Birth:
Abt 1310
Rosslyn Castle, Rosslyn, Midlothian, Scotland
Death:
Aft 17 Sep 1358
Marriage:
28 May 1344
Rosslyn Castle, Rosslyn, Midlothian, Scotland
Sources:
Ancestry.com
Internet IGI, April 2009
New.familysearch.org, March 2013, June 2013, April 2009
Pedigree Resource File
Google searches and comparisons - Sinclair/St. Clair
Notes:
                   39th  Earl of Caithness, 1454-1476
Isabella of STRATHEARN
Birth:
Abt 1325
of Inchaffrey, Strathearn, Perth, Scotland
Children
Marriage
1
Henry ST.CLAIR, SIR
Birth:
Abt 1345
of Rosslyn, Midlothian, Scotland
Death:
1404
Elizabeth of STRATHERNE 
Marr:
Abt 1370
of Rosslyn, Midlothianm, Scotl 
Notes:
                   Earl of Orkney
2
Margaret SINCLAIR
Birth:
Abt 1348
of Rosslyn, Midlothianm, Scotland
Death:
 
Marr:
 
3
David SINCLAIR
Birth:
Abt 1352
Death:
 
Marr:
 
FCID:5247:45148
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William (St. Clair) Sinclair - Isabella of Strathearn

William (St. Clair) Sinclair was born at Rosslyn Castle, Rosslyn, Midlothian, Scotland Abt 1310. His parents were William Sinclair, Lord of Rosslyn and Elizabeth of Strathearn.

He married Isabella of Strathearn 28 May 1344 at Rosslyn Castle, Rosslyn, Midlothian, Scotland . Isabella of Strathearn was born at of Inchaffrey, Strathearn, Perth, Scotland Abt 1325 daughter of Malise of Strathearn, 7th Earl Strathearn and Margery Ross .

They were the parents of 3 children:
Henry St.Clair, Sir born Abt 1345.
Margaret Sinclair born Abt 1348.
David Sinclair born Abt 1352.

William (St. Clair) Sinclair died Aft 17 Sep 1358 .