Complex sentence: Finally they were taken back to Europe, where they were first grounded in a hotel in Évry, then brought to a French prison before they were finally extradited to the Netherlands on October 31,1986.
Split into simpler sentences: Finally they were taken back to Europe, where they were first grounded in a hotel in Évry before being brought to a French prison. They were finally extradited to the Netherlands on October 31,1986.