On 7 Mar 1749 Frerick Geerts married
Jantje Bruins Trenning (15293) , daughter of
Bruine Berends Trenning (ca 1660-ca 1742) &
Naencke Jans ter Walslage (5672) (ca 1668-), in Vlagtwedde, Groningen.
Born ca 1708 in Laude (Vlagtwedde), Groningen. Jantje Bruins died in Wollinghuizen (Vlagtwedde), Groningen on 22 Oct 1779.