Margreeth de BoerMargaretha "Margreeth" de Boer is a retired Dutch politician of the Labour Party.Early life and educationMargaretha de Boer was born on 16 April 1939 in Amsterdam. She studied at a.Political careerDe Boer is a member of the Dutch Labour Party. She was Queen's Commissioner of Drenthe, Minister of Housing, Spatial Planning and the Environment in the First Kok cabinet, Member of the House of Representatives, Mayor of Leeuwarden, and Mayor of Hoogeveen.