Mentuhotep was an Ancient Egypt

Ancient Egypt

Ancient Egypt was an ancient civilization of Northeastern Africa, concentrated along the lower reaches of the Nile River in what is now the modern country of Egypt. Egyptian civilization coalesced around 3150 BC with the political unification of Upper and Lower Egypt under the first pharaoh...

ian queen of the Second Intermediate Period. Her main title was Great Royal Wife

Great Royal Wife

Great Royal Wife or Chief King's Wife is the term used to refer to the chief wife of the pharaoh of Ancient Egypt. While most Ancient Egyptians were monogamous, the pharaoh would have had other, lesser wives and concubines in addition to the Great Royal Wife...

. Another title was Khenemetneferhedjet

Khenemetneferhedjet

Khenemetneferhedjet was an ancient Egyptian queenly title during the Middle Kingdom. It was in use from the 12th to the early 18th dynasty. During the 12th dynasty it also occurred as a personal name. Its meaning is “united with the white crown”...

 (she who is united with the white crown) She is only known from her burial equipment found in the 19th century in Thebes. The inscriptions of her coffin were copied, but the original coffin is now lost. On the coffin it is stated, that she was the daughter of the vizier Senebhenaf

Senebhenaf

Senebhenaf was an Ancient Egyptian vizier of the Second Intermediate Period. Senebhenaf is known from the coffin of his daughter, queen Mentuhotep; the inscriptions state that her father was Senebhenaf and her mother was Sobekhotep. Queen Mentuhotep was the wife of king Djehuti...

 and of a woman called Sobekhotep. The inside of the coffin was decorated with different spells, many of them belong to the Egyptian Book of the Dead

Book of the Dead

The Book of the Dead is the modern name of an ancient Egyptian funerary text, used from the beginning of the New Kingdom to around 50 BC. The original Egyptian name for the text, transliterated rw nw prt m hrw is translated as "Book of Coming Forth by Day". Another translation would be "Book of...

. Indeed, her coffin is one of the earliest sources for this funerary composition. Mentuhotep is also known from a canopic chest originally belonging to king Djehuti

Djehuti

Djehuti, Djehuty or Thuty was a pharaoh of Ancient Egypt dating to the Second Intermediate period. Djehuti's prenomen, Sekhemre Sementawy, means "The Power of Re who Establishes the Two Lands."...

. A dedication inscription states that the king gave the chest to Mentuhotep. From this evidence it can be assumed that she was his wife.