1. John Halyburton of Dirleton has few details recorded about him.
John Halyburton of Dirleton had the following children:
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2. Jean Halyburton, daughter of John Halyburton of Dirleton, married Henry Sinclair. 1st Earl of Orkney.
Henry Sinclair. 1st Earl of Orkney, son of William Sinclair of Roslin ( -aft1358) and Isabella of Strathearn ( - ), died in 1404. He and Jean Halyburton had the following children:
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3. Henry Sinclair, 2nd Earl of ORKNEY, son of Henry Sinclair. 1st Earl of Orkney and Jean Halyburton, was born circa 1375. He died in 1422. He married Egidia DOUGLAS.
Egidia DOUGLAS was the daughter of William Douglas, Lord of Nithsdale ( - ). She and Henry Sinclair, 2nd Earl of ORKNEY had the following children:
| 4 | William Sinclair, 3rd Earl of Orkney (bef1420-bef1482). William was born before [Julian] February 1420. He had the title '3rd Earl Orkney, 1st Earl Caithness'. He had the title '3rd Earl Orkney, 1st Earl Caithness, 1st Lord Sinclair, Chancellor'. He died between 1476 and 1482. He died in 1480. |