Sidney Grosvenor Peerage person ID=59815 (1642–1702) Parents Sir Richard Grosvenor, 1st Baronet Sydney Mostyn Children Robert Hesketh Thomas Hesketh Siblings Lettice Grosvenor Christian Grosvenor John Grosvenor Mary Grosvenor Mary Grosvenor Hugh Grosvenor Grace Grosvenor Sir Richard Grosvenor, 2nd Baronet Thomas Grosvenor Robert Grosvenor Catherine Grosvenor Partners Thomas Hesketh unknown Spencer