- Benny Neyman (9 June 1951 – 7 February 2008)
- Pim Koopman (11 March 1953 – 23 November 2009)
- Werner Theunissen (12 May 1942 – 18 January 2010)
- John Theunissen (1949 – 19 November 2015)
- Betty Dragstra (23 June 1952 – 28 June 2024)
In Memoriam
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