If so, Harsiese would have served as vizier to Taharqa, while opening up relations with Necho I while the latter was ruler of Sais.
Perdu published a recently discovered donation stela which came from a private collection; the document is dated to Year 2 of Necho I of Sais and is similar in style, epigraphy and text with the donation stela of Shepsesre.
The rule of the family of Necho I ends with the death of Apries, who was replaced by Amasis II, originally a general, and not of the royal house at all.