Jantje Willy Johanna Maria Lucina Sipkema
Source: Wolda, Henk, "Descendants Upko Huninga and Doedo Augustinus," (Publication location unknown, Publisher: http://wc.rootsweb.ancestry.com/cgi-bin/igm.cgi?op=GET&db=woldaha&id=I109383, Publication date: vii June MMXIII), Repository:The Cloud
"... Jantje Willy Johanna Maria Lucina Sipkema 1 Sex: F Birth: OCT 1948 in Groningen, Netherlands 1 Death: 08 OCT 1948 in Groningen, Netherlands 1
Father: Jan Sipkema b: 07 FEB 1913 Mother: Pietertje Lich b: 21 NOV 1912
Marriage 1 Spouse Unknown
Sources:
1. Title: Rootsweb - Klaas Jansen" <>
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