Complex sentence: The "Records of the Western Regions" are based on a report composed by General Ban Yong and presented to the Emperor about 125, probably included notes by his famous father, General Ban Chao.
Split into simpler sentences: The "Records of the Western Regions" are based on a report composed by General Ban Yong and presented to the Emperor about 125. They presumably included notes by his famous father, General Ban Chao.