Complex sentence: The Andong Kwon clan has one of the oldest extant printed genealogies in East Asia, and this clan became the most famous family in Korea through Goryeo and Chosun kingdom.
Split into simpler sentences: The Andong Kwon clan has one of the oldest extant printed genealogies in East Asia. This clan became the most famous family in Korea through Goryeo and Chosun kingdom.