Alice of Hainault Noblewoman (1250–1317) Parents Philippa of Luxembourg John I of Hainaut Children Siblings John of Beaumont Mary of Avesnes William I, Count of Hainaut Isabelle of Avesnes Jan van Oostervant Willem Cuser Aleida de Hainaut Simon Heer van Bruelis Marguerite d'Avesnes Partners Roger Bigod, 5th Earl of Norfolk