She is married to Duncan I (de Genadige) Dunkeld Koning van Schotland.
They got married.
Child(ren):
Another claim by Fordun, that Duncan married the sister, daughter or cousin of Sigurd the Dane, Earl of Northumbria, appears to be equally unreliable. An earlier source, a variant of the Chronicle of the Kings of Alba (CK-I), gives Duncan's wife the Gaelic name Suthen.
Whatever his wife's name may have been, Duncan had at least two sons. The eldest, Malcolm III (Máel Coluim mac Donnchada) was king from 1057 to 1093, the second Donald III (Domnall Bán, or "Donalbane") was king afterwards. Máel Muire, Earl of Atholl is a possible third son of Duncan, although this is uncertain.
Wikipedia
Sometimes referred to as Sybil or Elflaed. She was a cousin of Siward, Earl of Northumberland, although some sources suggest that she was his sister, and that their father was Bjorn Bearsson. Source: RoyaList.
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