Wyanda Helena Koechlin
- Born on August 31, 1899 in Rijswijk
- Deceased in May 1980, at the age of 80 years
Parents
- Ferdinand Charles Koechlin (1871 - 1951), minotier à Voorburg
- Julie James (1876 - 1962)
Family
- Married on September 2, 1924 in Rijswijk, with Maximilien Levert (1897 - )