Sonbef [SEP] position held
Sonbef
Mehibtawy Sekhemkare Amenemhat Sonbef (also Amenemhat Senbef) was an Egyptian pharaoh of the 13th Dynasty during the Second Intermediate Period. According to egyptologists Kim Ryholt, Jürgen von Beckerath and Darrell Baker, he was the 2nd king of the dynasty, reigning from 1800 BC until 1796 BC.
Identity.
There is a debate between egyptologists on whether or not Sekhemkare Sonbef is the same king as Sekhemkare Amenemhat V, 4th ruler of the 13th dynasty. Indeed, Sonbef called himself "Amenemhat Sonbef"; this
as "Amenemhat [Sa] Sonbef", "The Son of Amenemhat Sonbef", i.e. Sonbef would be the son of Amenemhat IV. 
In particular, they see Sonbef and Amenemhat V as two different rulers. Ryholt and Baker further posit that Sonbef's and Amenemhat's rules were separated by the ephemeral reign of Nerikare, while von Beckerath believes it was Sekhemre Khutawy Pantjeny who reigned between the two. At the opposite Detlef Franke and Stephen Quirke believe that the "Amenemhat" in Sonbef's title is part of his