William fitz Duncan Son of king Donnchad II of Scotland (1090–1147) Parents Ethelreda, daughter of Gospatric Duncan II of Scotland Children Cecilia MacWilliam Donald FitzDuncan William MacWilliam, Lord of Egremont Alice de Rumilly, Lady of Allerdale Donald MacWilliam Amabel MacWilliam, Lady of Copeland Partners Unknown Alice le Meschin, Lady of Skipton