François Costiou
- Born on July 14, 1732 in Trédarzec
- Deceased on December 12, 1776 in this municipality, at the age of 44 years
Parents
- Jean Costiou ( - bef. 1768)
- Renée Lasbleiz
Family
- Married on November 22, 1768 in Trédarzec, with Marguerite Le Quellec (1744 - 1774), issuing
- Guillaume (1770 - bef. 1834)