Guy du Gratz
- Born on March 7, 1627 in Morlaix
- Deceased on December 7, 1642 in this municipality, at the age of 15 years
Parents
- Jacques du Gratz ( - 1654), lieutenant au gouvernement des ville et château de Morlaix
- Françoise Le Bihan (c. 1582 - 1669), dame de Beauregard