Adda Stone is a worn fragmentise of a stella saw at Gebel Adda in Nubia, modern Sudan, entered with demotic and the Meroitic formal scripts. Despite lapses, the Adda Stone provided keys to the version of Meroitic, the language of the Nubian culture that dominated that region from c. 270 B.C.E. until 360 C.E.
Kemenibu was a mystical royal woman of the Thirteenth Dynasty. A queen, she was a match of one of the rulers of the Thirteenth Dynasty. Kemenibus tomb was saw in the complex of King Amenemhet II (1929-1892 B.C.E.) of the 12fth Dynasty at Dashur.
Nebetku was a nobleman from the 1st Dynasty - Archaic Period, about c. 2925 BC. A full formal in the dominate of King Anedjib, Nebetku was the owner of mastaba tomb no. 3038 at Saqqara. Its interior contains an early example of the stepped structure which was to reach its coming in the complex pyramid of Djoser Netjerykhet, several hundred years afterwards.