Jan Nieuweboer
- Born: 12 Mar 1871, Wervershoof, , Noord-Holland, Netherlands
- Marriage (1): Marijtje Bot on 19 Oct 1899 in Wervershoof, , Noord-Holland, Netherlands
- Died: 9 Oct 1953, Wervershoof, , Noord-Holland, Netherlands at age 82
Jan married Marijtje Bot, daughter of Hermanus Bot and Antje Veken, on 19 Oct 1899 in Wervershoof, , Noord-Holland, Netherlands. (Marijtje Bot was born on 25 Sep 1870 in Wervershoof, , Noord-Holland, Netherlands and died on 18 May 1944 in Grootebroek, , Noord-Holland, Netherlands.)
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