Complex sentence: He is also said to have cured Prince Godan of a serious illness and, with the help of his nephew, Phagpa, he adapted the Uighur script so that the Buddhist Scriptures could be translated into Mongolian.
Split into simpler sentences: He is also said to have cured Prince Godan of a serious illness. With the help of his nephew Phagpa, he adapted the Uighur script so that the Buddhist Scriptures could be translated into Mongolian.