Sir William de Clifford Peerage person ID=103041 (1375–1418) Parents Roger de Clifford, 5th Baron de Clifford Maud de Beauchamp Children Siblings Margaret de Clifford Philippa de Clifford unknown daughter de Clifford Lewis Clifford unknown daughter de Clifford Katherine de Clifford Thomas de Clifford, 6th Baron de Clifford Maud Clifford Partners Anne Bardolf