Lady Rosemary Agar (1908-1984) (1908–1984) Parents Sidney Agar, 4th Earl of Normanton Lady Amy Byng Children Mark Jeffreys, 2nd Baron Jeffreys George Jeffreys Siblings Edward Agar, 5th Earl of Normanton Lady Mary Agar Lady Diana Agar Lady Georgiana Agar Lady Caroline Agar Lady Alexandra Agar Lady Amy Agar Partners Christopher Jeffreys