Complex sentence: The city was renamed as Belaya Vezha (Slavic for "White Tower") and settled by Slavs until the 12th century, when the district was taken over by the Kipchaks.
Split into simpler sentences: The city was renamed Belaya Vezha (Slavic for "White Tower") and settled by Slavs. It remained Slavic until the 12th century, when the district was taken over by the Kipchaks.