Oliver Wallop, 8th Earl of Portsmouth British peer and American politician (1861–1943) Parents Eveline Herbert Isaac Newton Wallop, 5th Earl of Portsmouth Children Oliver Malcolm Wallop Gerard Wallop, 9th Earl of Portsmouth Siblings Lady Rosamond Wallop Lady Margaret Wallop Lady Henrietta Wallop Arthur Wallop Newton Wallop, 6th Earl of Portsmouth John Wallop, 7th Earl of Portsmouth Robert Wallop Lady Catherine Wallop Lady Eveline Wallop Lady Dorothea Wallop Frederick Wallop Partners Marguerite Walker