19 May 1854, Doniawerstal, prov.Frl, Netherlands, civilmarriage cert.Nr.13, archive website genlias, tresoar, groom Sipke Johannes Gorter, age 31, place of birth Sloten, son of: Johannes Sipkes Gorter, Taedske Jans van der Meulen; bride Mettje Jacobus Groenendal, age 30, place of birth St. Nicolaasga, daughter of: Jacobus Reinders Groenendal, Grietje Tjitskes Rypkema. //