He defeated the army of Flanders that had invaded Walcheren in 1253, where he captured Guy and John of Dampierre, both sons of Margaret II, Countess of Flanders and commanders for Flanders.
Margaret II, Countess of Flanders (1202–1280), countess of Flanders and Hainaut, aka Margaret of Constantinople
Margaret Thatcher | Flanders | Margaret Atwood | Margaret | Margaret Mead | Princess Margaret, Countess of Snowdon | Margaret Weis | County of Flanders | Princess Margaret | Margaret Cho | Princess Margaret Hospital | Margaret Mitchell | Margaret Bourke-White | Sophie, Countess of Wessex | Margaret of Anjou | Margaret Court | Margaret Becker | Margaret Sullavan | Margaret Hodge | Bob and Margaret | Margaret Murray | Count of Flanders | Mary, Princess Royal and Countess of Harewood | Margaret Tudor | Margaret the Virgin | Margaret of York | Margaret of Austria | Margaret Laurence | Margaret Island | Lady Margaret Boat Club |