Helena Clara KAMSTRA
- Father: Nicolaas KAMSTRA
- Mother: Maria BOER de
- Birth: ABT 1893, Harlingen, Friesland, Nederland
- Partnership with: Antoon Leo KNOOP
Marriage: 13 Jun 1918, Harlingen, Friesland, Nederland
Ancestors of Helena Clara KAMSTRA
/-Nicolaas KAMSTRA Helena Clara KAMSTRA \-Maria BOER de
Descendants of Helena Clara KAMSTRA
1 Helena Clara KAMSTRA =Antoon Leo KNOOP Marriage: 13 Jun 1918, Harlingen, Friesland, Nederland