sentences:  The arrest of Princess Wilhelmina of Prussia at the end of June 1787 demanded a response, and so Van der Kemp and Adriaan de Nijs were taken prisoner on 5 July, near Wijk bij Duurstede by a regiment of soldiers from Baden-Durlach and taken to Amersfoort.After his release he emigrated to America.In his baggage was a portrait of Van der Capellen.