[4] This view persisted until it was eventually realized that a relief in the Louvre Museum (E 26901) "pairs Siptah's name together with the name of his mother" a certain Sutailya or Soteraya.

[7] The identity of his father is currently unknown; some Egyptologists speculate it may have been Amenmesse rather than Seti II since both Siptah and Amenmesse spent their youth in Chemmis[8] and both are specifically excluded from Ramesses III's Medinet Habu procession of statues of ancestral kings unlike Merneptah or Seti.

The British Egyptologist Aidan Dodson states If Siptah was a son of Seti II, it is unlikely that he would have been considered as an illegitimate king by later 20th Dynasty New Kingdom pharaohs.

Chancellor Bay publicly boasts that he was instrumental in installing Siptah on the throne in several inscriptions including an Aswan stela set up by Seti, the Viceroy of Kush[12] and at Gebel el-Silsila.

[13][14] A key graffito located at the entrance to the Speos of Horemheb at Gebel el-Silsila depicts Bay standing in a pose of adoration directly behind Siptah, who is making an offering to Amun; a following inscription in the graffito reads: the spirit of the Great Superintendent of the Seal of the entire land, who established the King [Siptah] in the place of his father; beloved of his lord, Bay.

[15]Bay, however, later fell out of favor at court presumably for overreaching himself and last appears in public in a dated Year 4 inscription from Siptah's reign.

[22] The ostracon could not refer to Setnakht's death because this king died on I Shemu 25 since his son, Ramesses III succeeded him the next day.

Seti II must have died in late IV Akhet or early I Peret—after the 70-day mummification period—since a graffito located above KV14, Twosret's tomb, records his burial on III Peret 11.

The study of his tomb shows that it was conceived and planned in the same style as those of Twosret and Bay, clearly part of the same architectural design.