See also
1. Malise, 8th Earl of Strathearn, Earl of Orkney and Caithness was the son of Malise, 7th Earl of Strathearn ( -1325).
Malise, 8th Earl of Strathearn, Earl of Orkney and Caithness had the following children:
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2. Isabella of Strathearn, daughter of Malise, 8th Earl of Strathearn, Earl of Orkney and Caithness, married William Sinclair of Roslin.
William Sinclair of Roslin, son of Sir William Sinclair of ROSLIN ( -1330), died after 13 September 1358. He and Isabella of Strathearn had the following children:
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3. Henry Sinclair. 1st Earl of Orkney, son of William Sinclair of Roslin and Isabella of Strathearn, died in 1404. He married Florentia of Denmark?. He married Jean Halyburton.
Jean Halyburton was the daughter of John Halyburton of Dirleton ( - ). She and Henry Sinclair. 1st Earl of Orkney had the following children:
| 4 | Henry Sinclair, 2nd Earl of ORKNEY (c. 1375-1422). Henry was born circa 1375. He died in 1422. |