[S57] Netherlands, Friesland - TRESOAR Vital Database After 1811, TRESOAR Frisian Historica and Literacy Centre, (database on-line, http://www.tresoar.nl/), Marriage certificate the Bildt, 1841 - Yede Eiberts Zijlstra and Nieske Sikkes Hempenius. Record accessed 05 Aug 2007 (Reliability: 2), 5 Aug 2007.