... Merovech, the son of Chilperic and his first wife Audovera, went to Rouen on pretext of visiting his mother. While there, he decided to marry the widowed Brunhilda and thus strengthen his chances of becoming a king. His stepmother, Fredegund, was determined that only her sons should succeed as kings and eliminated her husband's sons by other women. Merovech and Brunhilda were married by the Bishop of Rouen, Praetextatus. However, since Brunhilda was Merovech's aunt the marriage was contrary to canon law. ...