Margaret Pelham (died 1758) (1700–1758) Parents Lady Grace Holles Thomas Pelham, 1st Baron Pelham Children Tryphena Shelley Elizabeth Shelley Sir John Shelley, 5th Baronet Henrietta Shelley Siblings Henry Pelham Lucy Pelham Thomas Pelham-Holles, 1st Duke of Newcastle-upon-Tyne Frances Pelham Elizabeth Pelham Partners Sir John Shelley, 4th Baronet