Isaac Newton Wallop, 5th Earl of Portsmouth British peer (1825-1891) (1825–1891) Parents Lady Catherine Fortescue Newton Fellowes, 4th Earl of Portsmouth Children Lady Henrietta Wallop Newton Wallop, 6th Earl of Portsmouth Lady Rosamond Wallop John Wallop, 7th Earl of Portsmouth Frederick Wallop Oliver Wallop, 8th Earl of Portsmouth Lady Margaret Wallop Arthur Wallop Lady Dorothea Wallop Lady Catherine Wallop Lady Eveline Wallop Robert Wallop Siblings Lady Camilla Fortescue Newton John Alexander Fellowes Henry Arthur Wallop Fellowes Lady Hester Leeke Lady Henrietta Chichester-Nagle Lady Catherine Fellows Partners Eveline Herbert
