Mary Czernin, 10th Baroness Howard de Walden British peer (1935–2024) Parents John Scott-Ellis, 9th Baron Howard de Walden Irene Gräfin von Harrach Children Henrietta Czernin Isabelle Czernin Philippa Czernin Charlotte Czernin Peter Czernin Alexandra Czernin Siblings Blanche Susan Fionodbhar Scott-Ellis Camilla Anne Bronwen Scott-Ellis Jessica Jane Vronwy Scott-Ellis Partners Josef Czernin