KV 15, the tomb of Seti has been known and been laid open for a very long period of time based on the Greek and Latin graffiti found on its walls. Eventually it was Howard Carter who cleared most of the tomb between 1903 and 1904.
Richard Pococke, among others, performed the first, brief excavations of site KV15 in 1738, however, it was not until 1904-05 that the site was completely cleared by Howard Carter. Very little is known about the history of the tomb of Seti II, and many scholars have speculated that this is because his original burial may have been in KV14 with his then wife Tausret. 
No evidential diagnosis was found for the biological cause of death.
Seti II's tomb is said to be one of many enclosed in a larger sarcophagus like that of Ramses II. Jewelry among other relics were found in the KV56 "The Gold Tomb", enscribed with the names Ethos II (Seti) and Tausret. 
It is known that Seti II had at least three wives, which included Takhat II, Tausret and Tiaa. Tausret may have been the mother of Seti II's oldest son and heir named Seti-Merenptah. However, this child did not live long enough to inherit the throne. Instead, another son named Siptah replaced the king. It is thought that the mother of Siptah is not Tausret but actually Queen Tiaa. Additionally, Tausret eventually outlived Siptah, taking full possession of the throne herself.
- Peter Clayton, Chronicle of the Pharaohs, Thames & Hudson Ltd, 1994. p.158
- Magnusson, Magnus, "Archaeology of the Bible Lands" (BBC Books)
- Strudwick, Nigel; Strudwick, Helen (1999). Thebes in Egypt: A Guide to the Tombs and Temples of Ancient Luxor. Cornell University Press. p. 110.
- Davis, T. M., The Tomb of Sipthah, the Monkey Tomb and the Gold Tomb, No.4, Bibân el Molûk, Theodore M. Davis' Excavations, A. Constable, London, 1908
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