1) Joan of England was David's 1st wife. They married on 17 July 1328, when he was 4 years old and Joan was 7. Joan was the daughter of King Edward II of England and Isabella of France. The marriage was in accordance with the terms of the Treaty of Northampton. David and Joan were married for 34 years but produced no children. Queen Joan died on 7 September 1362 (aged 41) at Hertford Castle, Hertfordshire, possibly a victim of the Black Death.