Jan Kuiper, born in Makkum on July 4, 1864, son of Hendrik Jans Kuiper and Baukje Sikkes Hellingwerf, tilebaker's hand and barge hand.


Jan was married in Harlingen on January 27, 1896, at the age of 31 to
Neeltje Kroese (aged 31 years), born in Harlingen on September 27, 1864, daughter of Roelof Kroese (grain tallier) and Trijntje Martens.

From this marriage: