sentences:  Geoffrey of Monmouth, Urban himself or the hagiographer, Caradoc of Llancarfan, have all been suggested, but the evidence for each can only be circumstantial.The most remarkable and long-lasting legacy of Bishop Urban's career was the epic case he pursued at Rome against the neighbouring dioceses of St Davids and Hereford.The first complaints against St Davids had been made before the death of Bishop Wilfrid of St Davids (1115).