The first jong encountered by the Dutch in Banten was only 16 last (32 tons) in size. The jong of Banten is mostly made in Banjarmasin, Borneo. But it's certain that Lodewycksz never saw the leviathans of Central Java, such as those from Semarang and Jepara. In December 1664, Wouter Schouten described the great jong of Java:
