Hattusili III
Gassulawiya is known to have had several children including a daughter named Massanauzzi (referred to as Matanaza in correspondence with Ramesses II) married to Masturi, a ruler of a vassal state, and three sons named Muwatalli, Hattusili III and Halpasulupi. Mursili had further children with a second wife named Tanuhepa. Their names have not been recorded however.