Complex sentence: As a result of this campaign, it is believed that many of his followers in addition to other Chinese traders eventually settled and established their own colony at Kinabatangan River, as stated in both Brunei and Sulu records.
Split into simpler sentences: As a result of this campaign, it is believed that many of his followers in addition to other Chinese traders eventually settled and established their own colony at Kinabatangan River. More Chinese traders eventually settled in Kinabatangan, as stated in both Brunei and Sulu records.