Jean René Guy Koechlin
- Born on September 18, 1921
- Deceased on August 16, 1998 in Gérardmer, at the age of 76 years
Parents
- Guy Koechlin (1886 - 1954), courtier
- Violette Antuszewicz (1892 - 1983)
Family
- Married with Jacqueline Knoell (1923 - 1998), issuing
- Private
Occupations
- courtier