Michael Isaacs, 3rd Marquess of Reading British aristocrat and banker (1916–1980) Parents Gerald Isaacs, 2nd Marquess of Reading Eva Isaacs, Marchioness of Reading Children Lord Antony Isaacs Simon Isaacs, 4th Marquess of Reading Lady Jacqueline Isaacs Lord Alexander Isaacs Siblings Lady Elizabeth Ann Mary Isaacs Joan Zuckerman Partners Margot Duke, Marchioness of Reading