Julius Civilis, a man of commanding influence among the Batavi, was next rescued from like circumstances of peril, lest that high-spirited nation should be alienated by his execution.
His Book I Chapter 59: Revolt of Vitellius. Julius Civilis

Civilis, however, was naturally politic to a degree rarely found among barbarians.
His Book IV Chapter 13: The Batavian Uprise. Civilis feigns sympathy for Vespasian

Civilis had also thrown a dam obliquely across the Rhine, so that the stream, diverted by the obstacle, might overflow the adjacent country.
His Book V Chapter 14: The Batavian Uprise. Civilis at Castra Vetera