Frédérique Marthe Julie Koechlin
- Born on November 28, 1901 in Rijswijk
- Deceased on September 22, 1997, at the age of 95 years
Parents
- Ferdinand Charles Koechlin (1871 - 1951), minotier à Voorburg
- Julie James (1876 - 1962)
Family
- Married on November 15, 1921 in Rijswijk, with Karel Anton Marie Wyers (1898 - 1986)