Mursili is known to have had several children with his first wife Gassulawiya including three sons named Muwatalli, Hattusili III and Halpasulupi.
Mursili dikenal memiliki beberapa anak dengan istri pertamanya Gassulawiya termasuk tiga orang putra bernama Muwatalli, Hattusili III dan Halpasulupi.