Copyright 2024 Mary McGonigal Updated 12 April 2024 Date of 'update' refers to the whole section update, not to every individual file.
BISSET, William Sheriff of Clackmannan and Stirling, Constable of Stirlingshire, Sir
(About 1243-)
BISSET, William of Upsettlington
(About 1270-)
BISSET, Thomas 'lord of Upsethynton' (Upsettlington), earl of Fife, jure uxoris, Sir
(About 1315-1365)


Family Links

1. WIFE?, First

2. Isabella Countess of Fife, suo jure

BISSET, Thomas 'lord of Upsethynton' (Upsettlington), earl of Fife, jure uxoris, Sir 2 3 4

  • Born: About 1315
  • Marriage (1): WIFE?, First
  • Marriage (2): Isabella Countess of Fife, suo jure after August 1363 1
  • Died: by 17 April 1365 1

   Another name for Thomas was BYSET, Thomas of Upsetlington, Earl of Fife, jure uxoris, Sir.1

   User ID: W620.

  General Notes:

"Thoma Byset" was a witness on 11 February 1358 to a grant made by King David II of Scots to William Sinclair. In 1363 he was the benficiary, at the hands of the king, of the gift of the Earldom of Fife. (poms website) 4

Thomas married First WIFE?. (First WIFE? was born about 1325.)

Thomas next married Isabella Countess of Fife, suo jure, daughter of Duncan 10th Earl of Fife and Unknown, after August 1363.1 (Isabella Countess of Fife, suo jure was born about 1320 and died after August 1389.)

  Marriage Notes:

"The Countess was married, thirdly, to Sir Thomas Byset of Upsetlington, who, in prospect of the marriage granted to her his barony of Glasclune in Perth, his share of the lands of Erth and Slamanane, in Stirling, and his lands of Cuthildrayne, in Fife, which charter, dated on 10 January 1362-63, was confirmed by King David II. to Isabella for her life, Sir Thomas Byset being then dead, on 17 April 1365. The same monarch had granted a charter to Thomas Byset, knight, of all the earldom of Fife, to be held to him and the heirs-male to be procreated betwixt him and Isabella de Fif, whom failing, to return to the King and his heirs, 8 June, in the thirty-fourth year of his reign, 1364. Thomas Byset, Earl of Fife also dying without issue, Countess Isabella was married, fourthly, to John Dunbar."

from Scots Peerage (vol 4) 1 3


1 e-books, The Scots Peerage ed. Sir James Balfour Paul vol. 4 (1907).

2 Internet Site, The Scottish Nation Bisset, Byset, or Bissert.

3 Internet Site, History of Loch Kinnord Chapter VI. Historic Period, to 1400 A.D.

4 Internet Site, Thomas Bisset, Knight (mid 14C).

Copyright 2024 Mary McGonigal

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