<prompt> Qedela umusho olandelayo: UJan van Houwelingen owazalwa ngoJanuwari 12, 1955 eHeesselt, eGelderland ungumgibeli webhayisikili lomgwaqo osethathe umhlalaphansi waseNetherlands, owayengumgibeli webhayisikili osezingeni eliphezulu kusukela ngo-1979 kuya ku-1987. Umfowabo omdala u-Adri owazalwa ngo-1953 naye wayengumgibeli wamabhayisikili ochwepheshe ngawo-1980. Ngo-1978, uVan Houwelingen wayeyilungu leqembu elalinqobe umjaho wesikhathi weqembu e-  <response>: Umqhudelwano Wamazwe Omhlaba we-UCI ngo-1978. 