Lady Margaret Wallop (1860-1943) (1860–1943) Parents Eveline Herbert Isaac Newton Wallop, 5th Earl of Portsmouth Children Rosalind Margaret Watney Siblings Lady Rosamond Wallop Lady Henrietta Wallop Arthur Wallop Oliver Wallop, 8th Earl of Portsmouth 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 Vernon James Watney