This entry taken on its own obviously places some doubt on his status as a bishop of St Andrews. It is only because he is mentioned as a bishop of St. Andrews in the bishop-lists of Walter Bower and Andrew of Wyntoun that he is identified with this see; however no pre-15th century sources actually confirm this, although it is true that there was definitely a bishop of this name in the 11th century.
This entry alone casts doubt on his status as a bishop of St Andrews. The only evidence linking him to this see comes from the bishop-lists of Walter Bower and Andrew of Wyntoun; however, no pre-15th-century sources confirm this, though it is known that there was indeed a bishop with this name in the 11th century.