 Since he was distant in time from the facts he narrates, his accounts are quite objective, even though he makes no concealment of his prejudice in favour of the Hohenstaufen dynasty, which in 1218 received the bailiwick of St. Blasien from the dukes of Zahringen.Yet, after Otto of Brunswick was recognized as Holy Roman emperor, he writes of him in the same objective way as of his predecessors.Nevertheless, without any apparent cause, the narrative breaks off at the coronation of Otto IV.