Complex sentence: In 611 Imseong left Baekje for Japan known as "Yamatai" at time and with the Japanese reading of his name he became known as Rinshō Taishi.
Split into simpler sentences: In 611 Imseong left Baekje for Japan known as "Yamatai" at time. In the Japanese reading of his name he became known as Rinshō Taishi.