The Lady Constance Malleson was a British writer and actress .
Malleson was born Constance Mary Annesley onOctober 1895 at Castlewellan Castle in Northern Ireland. She was the youngest child of Hugh Annesley, 5th Earl Annesley and his second wife Priscilla Cecilia ArmytageMoore. Annesleys sister, Lady Clare Annesley, was a feminist and pacifist who stood as a Labour Party parliamentary candidate in the 1920s and 1930s. She also had two half siblings, Lady Mabel Annesley and Francis Annesley, 6th Earl Annesley, from her fathers first marriage to Mabel Wilhelmina Frances Markham.
Source: Wikipedia