Sir Richard Grosvenor, 2nd Baronet English baronet (1600–1665) Parents Lettice Cholmondeley Sir Richard Grosvenor, 1st Baronet Sydney Mostyn Children Robert Grosvenor Roger Grosvenor John Grosvenor Sydney Grosvenor Sir Thomas Grosvenor, 3rd Baronet Siblings Christian Grosvenor Mary Grosvenor Grace Grosvenor Lettice Grosvenor John Grosvenor Mary Grosvenor Hugh Grosvenor Thomas Grosvenor Sidney Grosvenor Robert Grosvenor Catherine Grosvenor Partners Sydney Mostyn