 Complete the following phrase:  The Sequani then appealed to Caesar, who drove back the Germanic tribesmen 58 BCE, but at the same time obliged the Sequani to surrender all that they had gained from the Aedui. This so exasperated the Sequani that they joined in the revolt of Vercingetorix 52 BCE and shared in the defeat at Alesia. Under Augustus, the district known as Sequania formed part of Belgica. After the death of Vitellius 69 CE, the inhabitants refused to join the 