Siatum was an ancient Egyptian prince of the 18th Dynasty. He was likely one of the sons of Pharaoh

Thutmose IV Thutmose IV (sometimes read as Thutmosis or Tuthmosis IV, Thothmes in older history works in Latinized Greek; egy, ḏḥwti.msi(.w) "Thoth is born") was the 8th Pharaoh of the 18th Dynasty of Egypt, who ruled in approximately the 14th century ...

and thus the brother or half-brother of Amenhotep III. His existence is known from two sources: one is a mummy-label found on the mummy of his daughter

Nebetia Nebetia was an ancient Egyptian princess of the 18th Dynasty. She was the granddaughter of Pharaoh Thutmose IV and the daughter of Prince Siatum. She is one of the few examples of a pharaoh's granddaughter bearing the title of ''King's Daughter ...

, where he is mentioned as her father; the other is a

Saqqara Saqqara ( ar, سقارة, ), also spelled Sakkara or Saccara in English , is an Egyptian village in Giza Governorate, that contains ancient burial grounds of Egyptian royalty, serving as the necropolis for the ancient Egyptian capital, Memphi ...

n relief of his tutor, Meryre, where a person named Siatum is depicted sitting on

Meryre Meryre (also Meryra or Merire) ( egy, mrii-rˤ "the one loved by Re") was an Egyptian noble and the only certain High Priest of the Aten. Amongst his other titles were Hereditary Noble and High Official and Fan-bearer on the Right Side of the ...

's knee. There is no direct evidence linking the two persons – Nebetia's father and Meryre's pupil – together, but the style of the relief dates it to Amenhotep's reign, so Meryre must have been tutor either during Amenhotep's or his predecessor's reign, and Siatum's name corresponds to part of Thutmose's

Horus name The Horus name is the oldest known and used crest of ancient Egyptian rulers. It belongs to the " great five names" of an Egyptian pharaoh. However, modern Egyptologists and linguists are starting to prefer the more neutral term: the "serekh na ...

Sources

*Aidan Dodson & Dyan Hilton, ''The Complete Royal Families of Ancient Egypt,'' Thames & Hudson (2004), p. 137, 140. *Arielle P. Kozloff & Betsy M. Bryan: ''Egypt’s Dazzling Sun: Amenhotep III and His World'' (1992), p. 292. , pp. 67–68 Princes of the Eighteenth Dynasty of Egypt Children of Thutmose IV {{AncientEgypt-bio-stub