Fetje married Pieter Andries Haarsma, son of Andries Pieters and Grietje Gjalts Boersma, on 8 Feb 1813 in Eastermar Tietjerksteradeel Friesland Netherlands. (Pieter Andries Haarsma was born in 1768 and died on 13 Sep 1826 in Tietjerksteradeel Friesland Netherlands.)
Other names for Fetje were Haarsma and Harstman.