Acting
Sien de la Mar-Klopper
March 15, 1881 – July 10, 1944 · aged 63 Amsterdam
Clasina Margaretha ‘Sien’ de la Mar-Klopper (1881-1944) was a Dutch actress. She was married to actor Nap de la Mar and mother of popular actress, singer and comedienne Fien de la Mar.
