According to the egyptologists Kim Ryholt, Jürgen Beckerath, and Darrell Baker, he was the 17th and final king of the Eighth Dynasty.

[2] The latest reconstruction of the Turin canon, another king list compiled in the Ramesside era, indicates that Neferirkare II is also attested there on column 5, line 13.

[5] Alternatively, Hans Goedicke proposed that Wadjkare is the predecessor of Demedjibtawy and places both rulers chronologically into the 9th Dynasty.

[1][10] Both the Turin canon and the Abydos king list record Neferirkare II as the last ruler of the combined 7th/8th.

Alternatively the Egyptian state may have completely collapsed with the onset of low Nile floods, mass famine and chaos which engulfed Egypt at the start of the First Intermediate Period.