Jannes Pieter Mazure

Jannes Pieter Mazure (24 December 1899, Rotterdam – 3 November 1990, The Hague) was a Dutch politician.

He was a member of the PvdA and was considered to be very outspoken about his beliefs. He was president of the Senate from 1966 to 1969. He was preceded by Jan Anne Jonkman and was succeeded by his party colleague Maarten de Niet Gerritzoon.

...
Wikipedia