Diana Hay, 23rd Countess of Erroll Scottish peeress "suo jure" (1926-1978) (1926–1978) Parents Idina Sackville Josslyn Hay, 22nd Earl of Erroll Children Merlin Hay, 24th Earl of Erroll Jocelyn Carnegie Peregrine Moncreiffe of that Ilk Lady Alexandra Moncreiffe Siblings Gerard Wallace David Wallace Partners Iain Moncreiffe Raymond Carnegie