Complex sentence: The Circumcision of Jesus is an event from the life of Jesus of Nazareth according to the Gospel of Luke, which states in verse that Jesus was circumcised eight days after his birth (traditionally January 1).
Split into simpler sentences: The Circumcision of Jesus is an event from the life of Jesus of Nazareth. The Gospel of Luke states in verse that Jesus was circumcised eight days after his birth (traditionally January 1).