Jan Anne Jonkman

Jan Anne (Jan) Jonkman (Utrecht, 13 September 1891 – The Hague, 27 June 1976) was a Dutch politician.

He was a member of the PvdA. As a minister, he dealt with colonial affairs. He was also president of the Senate from 1951-1966. He was preceded by Roelof Kranenburg and was succeeded by his party colleague Jannes Pieter Mazure.

...
Wikipedia