Beatrix (Bethoc) Sinclair, Countess of Douglas

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Beatrix (Bethoc) Sinclair, Countess of Douglas's Geni Profile

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Beatrix (Bethoc) Sinclair, Countess of Douglas

Birthplace: Brechin, Scotland
Death: before February 08, 1462
Douglas, Lanarkshire, Scotland
Place of Burial: Douglas, Lanarkshire, Scotland
Immediate Family:

Daughter of Henry Sinclair, 2nd Earl of Orkney and Egidia Douglas, Countess of Orkney
Wife of James "The Gross" Douglas, 7th Earl of Douglas
Mother of Janet Douglas; William Douglas, 8th Earl of Douglas; James Douglas, 9th Earl of Douglas; Archibald Douglas, Earl of Moray; Beatrice Douglas, Countess of Erroll and 3 others
Sister of William Sinclair, 1st Earl of Caithness, 3rd Earl of Orkney

Managed by: Lars Schive
Last Updated:

About Beatrix (Bethoc) Sinclair, Countess of Douglas

Not the same as Names Not Known


Beatrice Sinclair is the daughter of Henry Sinclair, Earl of Orkney, and his wife Egidia Douglas. She died before 28 February 1462-63. Darryl Lundy's Peerage

Stylings: As a result of her marriage, Beatrice Sinclair was styled as Countess of Avondale in 1437. As a result of her marriage, Beatrice Sinclair was styled as Countess of Douglas on 24 November 1440.


  1. BEF. 7 MAR 1424/25 in Orkney, ORKN, Scot. To James Douglas, 7th Earl of Douglas

Children of James Douglas

  1. William 8th Earl of Douglas b: ABT. 1425
  2. James 9th (Black Douglas) Earl of Douglas b: ABT. 1440
  3. Archibald (Earl of Moray) Douglas
  4. Hugh (Earl of Ormond) Douglas,  Executed in 1455
  5. John (Lord of Balveny) Douglas
  6. Margaret Douglas = Henry Douglas, son of Sir James Douglas,1st Lord Dalkeith 
  7. Henry Douglas
  8. George Douglas
  9. Beatrice Douglas = William (1st Earl of Erroll) 2nd Lord Hay
  10. Elizabeth Douglas = Adam (of Craigie) Wallace (or William?)
  11. Janet Douglas Brechin, Lanarkshire, Scotland = Robert (Sir) 1st Lord Fleming


From Lars Fredricksson:  

Beatrix was married (1411) William Borthwick 2nd of Borthwick. He was born before 1384 and died between 1430-1439. There two Children: 1) William Borthwick born after 1411 2) Janet Borthwick born ca 1420 and died after 5th of june 1464. Comments: Sir William ‘younger’ Borthwick of that Ilk, 2nd of Borthwick perhaps married a Beatrix Sinclair, but likely not this one, as he lived to about 1450, and she was married to James Douglas by 1425.

From page 157 of Complete Peerage of England, Scotland, Ireland, Great Britain and ..., Volume 3 edited by George Edward Cokayne

VII. 1440. 7. James (douglas), Earl Of Douglas and Earl Of Avondale [S.], called " The Gross," great uncle and h. male, being the second s. of Archibald, the 3rd Earl. He was of Balveny &c, co. Ban ft"; was on the trial., 1425, of the Duke of Albany [8.]; was Warden of the Marches, and was about 1437 cr. Gam. Of Avondale [S ] having charter of lands in Peebles, 22 Dec. 1439 (confirmed 20 Sep. 1440 by royal charter), as "Earl of Avondale and Lord of Balveny," a few months before he sue to the Earldom of Douglas. He is said to have m., firstly, Beatrix, da. of Robert (stewaut), Duke Of Albany [8.], the Regent, by his 1st wife, Margaret, tuo jure Countess of Menteitb [8.]. If so, she d. s.p. about 1424. He certainly m. before 7 March 1425/6, Beatrix, da. of Henry (sinclair), Earl Of Orkney [8.] (»). He d. 10 or 24 March 1443/4, and was bur. at Douglas. M.I. His widow was living June 1456, at which date she (with her 3 eldest surviving sons) was attainted. She appears to have d. in England before 8 Feb. 1463

Genealogical Accounts

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Beatrix (Bethoc) Sinclair, Countess of Douglas's Timeline

Brechin, Scotland
Brechin, Lanarkshire, Scotland
Douglas, South Lanarkshire, Scotland (United Kingdom)
Scotland (United Kingdom)
February 8, 1462
Age 64
Douglas, Lanarkshire, Scotland