Complex sentence: There is no known account of the origins of the Obudu people, but it is likely that they had reached their present settlement by the 18th century, from a common center of dispersal eastward of their current location.
Split into simpler sentences: There is no known account of the origins of the Obudu people. However, it is likely they had reached their present settlement by the 18th century; from a common center of dispersal eastward of their current location.