Complex sentence: Rajah Gambang (r.1390--1420), was King of Tondo, the grandson of Rajah Alon and also the Father of Dayang Kalangitan.
Split into simpler sentences: Rajah Gambang (r.1390--1420), was a sovereign of the Kingdom of Tondo. He was the grandson of Rajah Alon and later fathered Dayang Kalangitan.