William Sackville, 10th Earl De La Warr British aristocrat and politician (1921-1988) (1921–1988) Parents Diana Leigh Herbrand Sackville, 9th Earl De La Warr Children Tom Sackville William Sackville, 11th Earl De La Warr Lady Arabella Sackville Siblings Thomas Sackville Lady Katharine Sackville Partners Anne Rachel Devas