Belshazzar Is A Boy’s Name Of Babylonian And Hebrew Origins Meaning “Baal Protect The King.” Sporting Strong Biblical Connotations, Belshazzar Is Also A Familiar Figure In Canaan Mythology And Was Known As The God Of Life And Fertility. The God Was The Son Of Nabonidus And Was Believed To Be The Last King Of The Babylonian Empire. A Fertility Deity And Bold Emperor, Baby Belshazzar Is Sure To Make A Splash Just As Monumental.