Achien married Oncko Harmannus Tammes on 12 May 1915 in Delfzijl, Delfzijl, Groningen, Netherlands. Oncko (son of Harm Tammes and Frouwe Holtkamp) was born on 8 Jul 1888 in Bellingwolde, Bellingwedde, Groningen, Netherlands; died on 1 May 1976 in Rutherford, Bergen County, New Jersey, USA. [Group Sheet] [Family Chart]

1. Achien Frouwe Ubieana (Jean) Tammes was born on 17 Nov 1917 in Brooklyn, Kings County, New York, USA; died on 2 Jun 2006 in Tucson, Pima County, Arizona, USA.
2. Virginia Lucille Tammes was born on 27 Jun 1920 in Passaic County, New Jersey, USA; died on 28 Jul 2001.
3. Frouwina Constance Tammes was born on 12 Aug 1921 in Rutherford, Bergen County, New Jersey, USA; died on 12 May 1978.
4. Oncko Harmannus Tammes, Jr was born on 16 Jun 1924 in Rutherford, Bergen County, New Jersey, USA; died on 17 Oct 2004.