Complex sentence: Foundation of Neuhau is not primarily connected to the colonisation after the Mongol invasion it is being dated somehow later, maybe even more then hundred years from the dreadful events which had incurred to the area from Mongols.
Split into simpler sentences: Foundation of Neuhau is not primarily connected to the colonisation after the Mongol invasion. It is being dated somehow later, maybe even more then hundred years from the dreadful events which had been suffered to the area from Mongols.