Complex sentence: The well-known Ming dynasty painter and calligrapher Wen Zhengming belonged to the Wen family and the mother of Mao Zedong, the Chairman of the People's Republic of China, was supposedly a descendant as well.
Split into simpler sentences: The well-known Ming dynasty painter and calligrapher Wen Zhengming belonged to the Wen family. The mother of Mao Zedong was supposedly a descendant as well.