Before the end of 1098 Dagobert set out for the east with a lawless Pisan fleet before going on to Syria .
A lawless Pisan fleet made successful raids on Byzantine owned islands and skirmished with the Byzantine navy .
Before the end of 1098 Dagobert set out for the east with a lawless Pisan fleet , which made successful raids on Byzantine owned islands and skirmished with the Byzantine navy , before going on to Syria .