Lady Catherine Margaret Powlett (1766-1807) (1766–1807) Parents Katherine Lowther Harry Powlett, 6th Duke of Bolton Children William Vane, 3rd Duke of Cleveland Harry Powlett, 4th Duke of Cleveland Lady Augusta Vane Lady Arabella Vane Henry Vane, 2nd Duke of Cleveland Lady Caroline Vane Lady Louisa Vane Lady Laura Vane Siblings Amelia Powlett Lady Mary Henrietta Powlett Partners William Vane, 1st Duke of Cleveland
