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Male William Sinclair Of Orkney and Caithness III Earl Click to view William Sinclair Of Orkney and Caithness III Earl in the family tree

William Sinclair's father was Henry Sinclair Of Orkney II Earl and his mother was Egidia (Jill) Douglas.  His paternal grandparents were Henry Sinclair Of Orkney I Earl and Jean Halyburton; his maternal grandfather was William Douglas De Nithsdale Seigner and his maternal grandmother is Jill Of Scotland Princess. He had two sisters named Beatrice and Jean.  He died in 1480.  He was buried in 1480.


William Sinclair's family with Elizabeth Douglas

They had a son and a daughter, named William and Elizabeth.

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