William de Furnivalle, 4th Baron Furnivalle (1326-1383) (1326–1383) Parents Joan de Verdun Thomas de Furnivalle, 2nd Baron Furnivalle Children Joan de Furnivalle, 5th Baroness Furnivalle Siblings Thomas de Furnivalle, 3rd Baron Furnivalle Maud de Furnivalle Margaret de Furnivalle Partners Thomasine (?)