The Kropfgans family, lutenists: his grandfather Johann Caspar; his father Johann (I) (1668-after 1731); his sister Johanna Eleonora (1710-?); his brother Johann Gottfried (1714-?) and Johann (II) (1708-≥1769) himself. Some of the compositions from Johann (II) Kropfgans, who was the favorite pupil of Sylvius Leopold Weiss, have survived.