He is married to (Not public).
Kinderen : Saartje *1967/+17-5-1982 Durgerdam, Eva *1969.
They got married on November 7, 1962 at Utrecht, Utrecht, Nederland, he was 24 years old.
Sibe is erelid van de Oktopedians, doet mee sinds 1974.
Sibe was sociaal psycholoog.
grandparents
parents
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The data shown has no sources.