Lady Fiona Pratt (1911-1985) (1911–1985) Parents Joan Pratt, Marchioness Camden John Pratt, 4th Marquess Camden Children Shaun Agar, 6th Earl of Normanton Sir John Fuller, 3rd Baronet Anthony Fuller Mark Agar Siblings Lady Irene Pratt John Pratt, 5th Marquess Camden Lord Roderic Pratt Partners Sir Gerard Fuller, 2nd Baronet Edward Agar, 5th Earl of Normanton