[1350] Fragmented documentation suggests that the glassmaker tradition of the Heubachs had continued for twelve generations before Johann Simon Heubach turns to porcelain manufacturing. During the 250 years to follow, 7 more generations of Heubachs carry on their family's entrepreneurial tradition. [1764] Johann Simon Heubach marries Isabelle Margareta Greiner and becomes a partner of her father, Johann Georg Greiner. Greiner is the descendant of yet another Thuringian glass maker family, wh...