 Johannes Harmens Koopmans Married (religious) 1 Feb 1801 Blauwhuis to: Children: 1. Jan Johannes KoopmansBorn 11 May 1811 Dedgum, died 13 Jul 1885 Harlingen, age 74 years, buried Harlingen 2.  Marijke Johannes KoopmansBorn 28 Oct 1816 Dedgum, died 16 Nov 1895 Tjerkwerd, age 79 years, buried Blauwhuis | |||