After returning to Ireland Matholwch .
Branwen have a son , Gwern , but Efnisien 's insult continues to rankle among the Irish and Branwen is banished to the kitchen and beaten every day .
After returning to Ireland Matholwch and Branwen have a son , Gwern , but Efnisien 's insult continues to rankle among the Irish and Branwen is banished to the kitchen and beaten every day .