John St Aubyn British Member of Parliament (1726-1772) (1726–1772) Parents Catharine Morice Sir John St Aubyn, 3rd Baronet Children Dorothy St. Aubyn Sir John St Aubyn, 5th Baronet Elizabeth St. Aubyn Anne St. Aubyn Richard Thomas St. Aubyn Catherine Molesworth Siblings Barbara St. Aubyn Margaret St. Aubyn Catharine St. Aubyn Mary St. Aubyn Partners Elizabeth Wingfield