Blanche Madeleine Koechlin
- Born on August 24, 1878 in Willer-sur-Thur
Parents
- Isaac Koechlin (1841 - 1916), industriel filateur et tisseur à Willer, Bitschwiller et Audincourt
- Anna Kullmann (1847 - 1909)
Family
- Married on March 24, 1917 in Paris, with Armand Marcel Henri Porée (1878 - 1921), courtier
- Married with André Nicolas Louis Koechlin