lived in this more northerly region, east of the Rhine delta. He noted how Dio Cassius described how the Chatti, like their offshoots the Batavi, Cananefates and Mattiaci, were assigned land by the Romans shortly before they first appear in the historical records.

Tacitus did not explicitly describe the Mattiaci as an offshoot of the Chatti, but he emphasized their similarity with the Batavi not only in terms of their special military alliance with Rome, but also in other ways cetera similes Batavi. Modern scholars also note that