- Born on September 22, 1911 in Paris
- Deceased on July 9, 1970 in Chalon-sur-Saône, at the age of 58 years
Parents
- Jean de Croix (1884 - 1935), marquis de Heuchin, propriétaire
- Jeanne-Marie de Maillé de La Tour-Landry (1888 - 1962)
Family
- Married on July 28, 1937 in Courchelettes, with Kathryn Strietzel-Flamanc (1912 - 2005), issuing
Private- Pierre (1946 - 1946)
- Private
- Private