Wierdt married Trijntje Folkerts Riemersma, daughter of Folkert Riemers Riemersma and Trijntje Melles Sipma, on 9 Jun 1814 in Eastermar Tietjerksteradeel Friesland Netherlands. (Trijntje Folkerts Riemersma was born on 27 Aug 1797 in Sumar (Suameer) Tietjerksteradeel Friesland Netherlands.)
