Duncan II King of Scots ¹

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Duncan married Aethelreda, daughter of Gospatric Earl of Northumberland, later Earl of Lothian and Dunbar and Unknown, about 1094.¹ (Aethelreda was born about 1070.)

  Marriage Notes:

"Aethelreda, who was married, about 1094, to Duncan II., King of Scots, and became the mother of William Fitz Duncan, Earl of Moray, who lived until 1151 or later, as in that year King David I. restored to him his honour of Skipton and others. His male line ended in the 'Boy of Egremont,' whose heiresses were his three sisters. There was another son named Gospatric, but of his history nothing is known."

from Scots Peerage (vol 3) ¹