[2] A stele of unknown provenance, although probably Memphite in origin,[1] and dated on stylistic grounds to the Second Intermediate Period presents a list of members of a royal family and gives the king's son name as [?]-ptḥ-i.

[2] Ryholt concludes that Seheqenre Sankhptahi probably reigned over Memphis and thus belongs to the 13th dynasty, which had control over the region at the time.

Furthermore, Ryholt suggests that Sankhptahi may himself have been born in Memphis, as indicated by his theophorous name based on Ptah, the god of the city.

Ryholt remarks that Seheqenre is the only king of the period whose name matches these signs and reads [S.ḥ]ḳ-n-Rˁ[1][2] Ryholt points to a blue-green steatite cylinder seal of unknown provenance and bearing the golden horus name Sekhaenptah, S.ḫˁ-n-ptḥ, He whom Ptah causes to appear, as maybe belonging to Seheqenre Sankhptahi.

Percy Newberry simply dates the seal to "about the end of the Middle Kingdom" without further identification of its owner.