Pepi I Meryre was the third king of the Sixth dynasty of Egypt

Sixth dynasty of Egypt

The sixth dynasty of ancient Egypt is often combined with Dynasties III, IV and V under the group title the Old Kingdom.-Pharaohs:...

. His first throne name was Neferdjahor which the king later altered to Meryre meaning "beloved of Rê

Re

Re, bre, moré is an interjection common to Cypriot Greek, the languages of the Balkans, Turkish, and Venetian, with its "locus... more in the Greek world than elsewhere". It is used in colloquial speech to gain someone's attention, add emphasis, insult, or express surprise or astonishment, like...

."
Pepi was the son of Teti

Teti

Teti, less commonly known as Othoes, was the first Pharaoh of the Sixth dynasty of Egypt and is buried at Saqqara. The exact length of his reign has been destroyed on the Turin King List, but is believed to have been about 12 years.-Biography:...

 and Iput

Iput

Iput I was a Queen of Egypt, a daughter of King Unas, the last king of the Fifth dynasty of Egypt. She married Teti, the first Pharaoh of the Sixth dynasty of Egypt. Their son was Pepi I Meryre.-Life:...

, who was a daughter of Unas

Unas

Unas was a Pharaoh of Ancient Egypt, and the last ruler of the Fifth dynasty from the Old Kingdom. His reign has been dated as falling between 2375 BC and 2345 BC...

, last pharaoh of the previous dynasty. He needed the support of powerful individuals in Upper Egypt

Upper Egypt

Upper Egypt is the strip of land, on both sides of the Nile valley, that extends from the cataract boundaries of modern-day Aswan north to the area between El-Ayait and Zawyet Dahshur . The northern section of Upper Egypt, between El-Ayait and Sohag is sometimes known as Middle Egypt...

 in order to put down his brother, the usurper

Usurper

Usurper is a derogatory term used to describe either an illegitimate or controversial claimant to the power; often, but not always in a monarchy, or a person who succeeds in establishing himself as a monarch without inheriting the throne, or any other person exercising authority unconstitutionally...

 Userkare

Userkare

Userkare was the second king of the Sixth Dynasty. He is generally seen as one of the leaders who opposed his predecessor, Teti's royal line and was most likely an usurper to the throne...

 who had murdered his father and for Pepi to win back his rightful throne.