Jean, comte de Gassion was a Gascon military commander for France, prominent at the battle of Rocroi (1643) who reached the rank of Marshal of France at the age of thirty-four. He served Louis XIII and Louis XIV and died of wounds sustained during the 1647 siege of Lens.
- Occupation
- politician, military officer, count
- Citizenship
- France
- Born
- August 20, 1609
- Died
- October 2, 1647
