Jan Jonkman
Jan Anne Jonkman was a Dutch politician of the Labour Party. He served as president of the Senate from 1951 to 1966, as well as minister of overseas affairs from 1946 to August 1947 and November 1947 to 1948. Previously, Jonkman had served in the Dutch East Indies as a prosecutor, and later member of the Volksraad from 1927 to 1931 and 1939 to 1942.