Muwatalli II
In the early 13th century BC, Muwatalli II moved the Hittite capital from Hattusa to Tarhuntassa, officially as the result of an omen. His son Mursili III later moved the capital back to Hattusa. After Hattusili III deposed Mursili, the new king appointed Muwatalli's son Kurunta as king in Tarhuntassa. The treaty which survives mostly refers to the appointed king as "Ulmi-Tessup", and so some scholars believe that Ulmi-Tessup and Kurunta are two different rulers of Tarhuntassa.