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, Uilleam II Mormaer of Ross
(About 1260-About 1323)
(About 1260-)
DE BRUS, Robert 6th Lord of Annandale, Earl of Carrick jure uxoris, Sir
(About 1245-1304)
Marjorie 3rd Countess of Carrick
(About 1252-1292)
Hugh Earl of Ross
(About 1278-1333)
DE BRUS, Matilda or Maud
(About 1286-1329)
Uilleam III Mormaer of Ross
(About 1315-1372)


Family Links

1. Unknown

3. Isabella of Strathearn

Uilleam III Mormaer of Ross 2

  • Born: About 1315
  • Marriage (1): Unknown
  • Marriage (2): MACDONALD, Mary
  • Marriage (3): Isabella of Strathearn on 28 May 1344 1
  • Died: 1372

   Other names for Uilleam were William 5th Earl of Ross 3 and O'BEOLAN, William 5th Earl of Ross, Lord of Skye.1

  General Notes:

"Either at the death of Sir John Ross or of his widow, the lands passed to his nephew William, who became Earl of Ross in 1333."

from Scots Peerage 4

Uilleam married.

Uilleam next married Mary MACDONALD. (Mary MACDONALD was born about 1315.)

Uilleam next married Isabella of Strathearn, daughter of Malise V 8th Earl of Strathearn and Marjory, on 28 May 1344.1 (Isabella of Strathearn was born about 1326.)


1 Internet Site,

2 Internet Site,

3 History Scotland, Vol.18 No.4 July/August 2018 Euphemia Ross: The Surprise Queen by Dr Amy Hayes.

4 e-books, The Scots Peerage ed. Sir James Balfour Paul vol. 2 (1905).

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