Simon Heer van Bruelis (1290-1355) (1290–1355) Parents John I of Hainaut Ymsoete (?) Children Siblings Alice of Hainault Willem Cuser John of Beaumont Jan van Oostervant Aleida de Hainaut Isabelle of Avesnes Marguerite d'Avesnes William I, Count of Hainaut Mary of Avesnes