Complex sentence: Nebhepetre Mentuhotep II (2046 BC--1995 BC) was a Pharaoh of the 11th dynasty and first pharaoh of the Middle Kingdom of Egypt.
Split into simpler sentences: Nebhepetre Mentuhotep II (2046 BC--1995 BC) was a Pharaoh of the 11th dynasty. His throne name was Nebhepetre, and he was the first ruler of the Middle Kingdom of Egypt.