Martha Vonk-van Kalker

Martha Catharina Annie Vonk-van Kalker (23 September 1943 – 11 March 2022) was a Dutch politician and civil servant. She was a member of the Labour Party. She was in the Senate from 1977 to 1981. 
Vonk-van Kalker was born in Groningen. She died in Zoetermeer at the age of 78.