Porrentruy (, , ) is a Swiss municipality and seat of the district of the same name located in the canton of Jura. Porrentruy is home to National League team, HC Ajoie. History The first trace of human presence in Porrentruy is a mesolithic tool that was found in the back yard of the Hôtel-Dieu. Scattered, individual objects have also been found from the neolithic, the late Bronze Age and the Iron Age. The first known settlement in what became Porrentruy goes back to the Roman era. In 1983, the ruins of a Gallo-Roman temple were discovered in the cemetery on the north of town, and Roman coins were found there. Near the town, a kilometer long (0.6 mile) section of the Augst-Epomanduodurum (now Mandeure) Roman road was discovered. In the back yard of the Hôtel-Dieu the charred remains of a building from the 10th or 11th century were discovered. However, the first historical mention of the name occurs in 1136 as Purrentru. The name presumably comes from the Latin pons Ragentrudis (Ragentrud bridge). Ragentrud was the wife of the Frankish King Dagobert I. The German form of the name, Pruntrut may have a separate etymology from Bruntrutum, which means an abundant spring. The first settlement was established in 1140 in the vicinity of Church of Saint-Germain, which was built in the Early Middle Ages. The Counts of Pfirt, who owned the region around Porrentruy, built a castle on a defensible hill and made it the capital of the Ajoie territory. A settlement (now known as the Faubourg de France) was founded at the foot of the castle, with another south on the opposite hill. The city wall was probably built before 1283 and surrounded the two settlements, but not the parish church of Saint-Germain. In 1236 the Counts of Pfirt pledged the town to the Counts of Montbéliard, however, they retained their rights to the Ajoie until 1281 when they sold the territory to the Bishop of Basel. The Counts of Montbéliard refused to hand over Porrentruy, which led Bishop Henry of Isny to request support from King Rudolph I of Habsburg. After six weeks under siege, the Count relented and handed it over to the Bishop. On 20 April 1283, the king asked the Bishop of Basel to grant Porrentruy a town charter and make it a free Imperial city. While the Counts of Montbéliard retained some power