Family Group SheetHUSBAND | William "3rd Earl of Orkney" Sinclair (GH5P-KZ1) | BIRTH | about 1404 | Roslin, Edinburghshire, Scotland | DEATH | before March 1480 | Kirkcaldy, Fife, Scotland | REF # | | 1356053; | REF # | | 1379409; | REF # | | 60; | MARRIAGE | 1435 | | MARRIAGE | 15 November 1456 | Marjory Sutherland (LYMN-N7Z); | MARRIAGE | 1470 | Janet Yeman (2W6Q-MHF); Scotland | FATHER | Sir Henry Sinclair (L6L4-4BK) | MOTHER | Egidia Douglas (LRPD-JTK) | | WIFE | Lady Elizabeth Douglas (LCCP-BCX) | BIRTH | about 1394 | Douglas, Lanarkshire, Scotland | DEATH | 1451 | Caithness, Scotland | REF # | | 1359169; | REF # | | 1382525; | REF # | | 60; | MARRIAGE | 1413 | John "Earl of Buchan" Stewart (LVN7-P8T); | FATHER | Archibald "4th Earl of Douglas, 1st Duke of Touraine, Tyneman" Douglas | MOTHER | Margaret Stewart (L52X-PP8) |
| CHILDREN | 1. | Sir William "The Waster, 2nd Lord Sinclair" Sinclair (GQPK-RZ6) MALE | | BIRTH | about 1437 | Caithness, Scotland | DEATH | 14 July 1487 | Dunfermline, Fife, Scotland | REF # | | 1363405; | REF # | | 1386762; | REF # | | 60; |
| 2. | Catherine Sinclair FEMALE | | BIRTH | 1440 | Orkney, Orkney, Scotland | DEATH | 1479 | | REF # | | 1359032; | REF # | | 1382388; | REF # | | 60; | MARRIAGE | | Alexander "1st Duke of Albany, 2nd Making" Stewart (GWGT-8S8); |
| 3. | Elizabeth "Marjory" Sinclair FEMALE | | BIRTH | before 1451 | | DEATH | before 17 April 1509 | | REF # | | 1361644; | REF # | | 1385000; | REF # | | 60; |
| 4. | Susan Sinclair FEMALE | | BIRTH | about 1451 | | REF # | | 7895628; | REF # | | 8228973; | REF # | | 60; |
| 5. | Arthur Sinclair MALE | | BIRTH | about 1452 | | REF # | | 7895643; | REF # | | 8228989; | REF # | | 60; |
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