 Matholwch is deeply offended until Bran offers him compensation in the form of a magic cauldron that can restore the dead to life.Pleased with the gift, Matholwch and Branwen sail back to Ireland to reign.Once in Matholwch's kingdom, Branwen gives birth to a son, Gwern, but Efnysien's insult continues to rankle among the Irish and, eventually, Branwen is mistreated, banished to the kingdom and beaten every day.