See also
1. Lord William Sinclair, 2nd Lord Sinclair 2nd Lord Sinclair, son of Lord William Sinclair, 3rd Earl of Orkney 3rd Earl Orkney, 1st Earl Caithness (bef1420-bef1482) and Elizabeth DOUGLAS (aft1385-bef1451), was born before 1403. He had the title '2nd Lord Sinclair'. He died on [Julian] 14 July 1487. He married Christina LESLIE.
William "The Waster" was disinherited by his father.
Christina LESLIE was the daughter of Earl George LESLIE (bef1417-c. 1489) and Christian HALIBURTON ( - ). She and William Sinclair, 2nd Lord Sinclair had the following children:
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2. Lord Henry Sinclair, 3rd Lord Sinclair, son of Lord William Sinclair, 2nd Lord Sinclair 2nd Lord Sinclair and Christina LESLIE, was born between 1403 and 1421. He married Margaret HEPBURN before 4 December 1488. He died on 9 September 1513 in Flodden.
Margaret HEPBURN, daughter of Adam HEPBURN Master of Hailes ( - ), was born before 1478. She died between [Julian] 11 June 1542 and [Julian] 14 December 1542. She and Henry Sinclair, 3rd Lord Sinclair had the following children:
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3. Katherine SINCLAIR, daughter of Lord Henry Sinclair, 3rd Lord Sinclair and Margaret HEPBURN, was born before 1502. She married David WEMYSS.
Sir David WEMYSS of Wemyss, son of Sir David Wemyss of Wemyss ( -1513) and Euphemia LUNDY ( - ), was born before 1501. He died on [Julian] 27 May 1544. He and Katherine SINCLAIR had the following children:
| 4 | John WEMYSS (bef1524-c. 1571). John was born before 1524. He died circa [Julian] 25 January 1571. |