He is married to Joanna Elisabeth Cals.
They were married in church on August 5, 1792 at Schinnen, (Beekdaelen), Limburg, Nederland.Source 1
1792 Quinta augusti Tribus proclamationibus peractis nulloque impedimento detecto dedi litteras dimissoriales Joanna Elisabetha Cals vidua Lamberti Heijnen ut in Beeck matrimonio conjungeretur cum Joanne Haertmans ex Beekergenhoudt. Testor N.Somija pastor.