Henry I Sinclair, Earl of Orkney

Scottish and Norwegian nobleman (1345–1400)

Parents

• Isabel of Strathearn
• William St Clair, 8th Baron of Roslin

Children

• Elizabeth Sinclair
• William Sinclair, 1st of Dryden
• Helen Sinclair
• Margaret Sinclair
• Jean Sinclair
• Henry II Sinclair
• Lady Mairi|Marjory Sinclair
• Beatrice Sinclair

Partners

• Jane Halyburton