Complex sentence: KB, as the club commonly is known in Kolding (not to be confused with Kjøbenhavns Boldklub) is half of the Kolding FC-merger, the other half being Kolding FC.
Split into simpler sentences: KB, as the club commonly is known in Kolding (not to be confused with Kjøbenhavns Boldklub). The club is half of the Kolding FC-merger, the other half being Kolding FC.