/-Johannes HAVELAAR /-Johannes HAVELAAR | \-Anna Maria DERING Johannes Georgius HAVELAAR | /-Johann Diederich HEUCKELBACH | /-Johannes HEUCKELBACH | | \-Anna Katharina FUNKE \-Ida HEUCKELBACH | /-Claus LAU \-Anna Margaretha LAU \-Anna Elisabe KRĂ–GER
1 Johannes Georgius HAVELAAR =Wilhelmina Jacoba BOSKEMPER Marriage: 19 May 1909, Amsterdam, Noord-Holland, Nederland =Catharina GARREL van Marriage: 13 Sep 1916, Amsterdam, Noord-Holland, Nederland