Klaas en zijn tweede vrouw Grietje Dekker zijn samen begraven op de Begraafplaats aan de Purmerlandserijweg in Purmerland,
(1) He is married to Neeltje Over.
They got married on April 29, 1906 at Barsingerhorn, he was 23 years old.Source 3
The couple were divorced from June 13, 1940 at Alkmaar.Source 3
(2) He is married to Grietje Dekker.
They got married on December 5, 1940 at Ilpendam, he was 57 years old.Source 3