William Vane, 3rd Duke of Cleveland British politician (1792–1864) (1792–1864) Parents Lady Catherine Margaret Powlett William Vane, 1st Duke of Cleveland Children Siblings Harry Powlett, 4th Duke of Cleveland Henry Vane, 2nd Duke of Cleveland Lady Arabella Vane Lady Caroline Vane Lady Louisa Vane Lady Laura Vane Lady Augusta Vane Partners Lady Grace Caroline Lowther