The Peerage of Scotland @ sub "Galloway", Gives some indication that Fergus married a
relative of the English royal house, but is quite cautious
about her actual relationship to Henry I (or William II).

The cited information was published by Edinburgh, 1909-1919 (Ref: sub "Galloway", Gives some indication that Fergus married a
relative of the English royal house, but is quite cautious
about her actual relationship to Henry I (or William II).) The author/originator was Sir James Balfour Paul.

• Source Notes

  ABBR Scots Peerage (Balfour Paul)

• References (2)
  • Parent Source: The Peerage of Scotland
  • Individual: Elizabeth of Gloucester