Complex sentence: Hakor was Pharaoh of Egypt from 393 BC to 380 BC. Hakor overthrew his predecessor Psammuthes and claimed to be the grandson of Nefaarud I, founder of the 29th Dynasty.
Split into simpler sentences: Hakor was Pharaoh of Egypt from 393 BC to 380 BC. Hakor had overthrown his predecessor Psammuthes. He had claimed to be the grandson of Nefaarud I. Nefaarud I was the First Pharaoh of the 29th Dynasty.