He was potestaat during the government of Lorraine, and defeated the Vikings. In Kollum he won a victory over a Swedish duke. There is a source that indicates that he is a brother or a cousin of the Utrecht Bishop Frederik, who came from the same Friesian village of Sexbierum.
The family emblem of Adelen is a Friese eagle half left, and right on a blue field up with a key above. To the upper left and right is a 5-pointed star.