He is married to Geertruij Dionisij.
Permission for the marriage has been obtained in Lith (NB) on October 30, 1674.Source 1
They got married on November 29, 1674 at Lith (NB).Source 1Er zijn vier kinderen bekend; zie: Genealogie-Online: Genealogie Romeijnders.They were married in church on January 23, 1675 at Lith (NB).Source 1
Child(ren):
Joost is op 16 april 1674 opnieuw gehuwd in Lith met Petronella Godefridi Smits.
Bron: Genealogie-Online: Genealogie Romeijnders.