Johann Franz Merck 5 Nov 1687 - 18 Mar 1741 (1687–1741) Parents Georg Friedrich Merck Children Johann Heinrich Merck Anna Elisabetha Wissmann Anna Regina Hoffmann Franz Christian Merck Elisabeth Barbara Müller Anna Katharina Hesse Johann Justus Merck Siblings Anna Regina Männer Catharina Magdalena Wenck Anna Katharina Hesse Partners Elisabeth Catharina Merck Elisabeth Catharina Merck