Complex sentence: Leendert "Leen" Vleggeert (31 January 1931--19 July 2014) was a Dutch politician, he served as a member of the Senate of the Netherlands between 1981 and 1983 for the Labour Party.
Split into simpler sentences: Leendert "Leen" Vleggeert (31 January 1931--19 July 2014) was a Dutch politician. He served as a member of the Senate of the Netherlands between 1981 and 1983 for the Labour Party.