Claas married Aye Cornelius Klingenberg on 13 Jun 1852 in Suurhusen, Emden, Germany. Aye (daughter of Cornelius Klaasen Klinkenberg and Trientje Jacobs Janssen de Vries) was born on 18 Jan 1825 in Nesserland, Emden, Germany; died on 24 May 1884 in Grundy County, IA. [Group Sheet] [Family Chart]