Where she depends on a reliable informant ,as in her account of the crusaders, march across Anatolia , for which she clearly used Taticius,s reports, she controls her prejudices; and though she undoubtedly committed sins of omission ,she cannot proved guilty of any sins of commission in describing events that took place at constantinople or within the Empire .she enjoyed her father,s confidence and herself had personal knowledge of many of the characters and incidents that she described . It is easy to make allowances for her piety and prejudices ;but when that is don , her testimony on all affairs directly concerning Byzantium must be preferred to that of any other.