Complex sentence: Moving out of Golanda, the Lombards passed through Anthaib and Banthaib until they reached Vurgundaib, believed to be the old lands of the Burgundes.
Split into simpler sentences: Moving out of Golanda, the Lombards passed through Anthaib and Banthaib until they reached Vurgundaib. Vurgundaib is believed to be the old lands of the Burgundes.