William, king of Scotland (William the Lion)
Isabella of Scotland, Countess of Norfolk
Margaret of Huntingdon, Duchess of Brittany
C. 1733 Engraving of King Uilliam mac Eanric.jpg
William I, King of Scotland (Cambridge Corpus Christi College 26, folio 134r).jpg
Royal Arms of the Kingdom of Scotland.svg
Dictionary of National Biography, 1885–1900