Though Munja's father Gochudaega Joda () had been named Crown Prince by Taewang Jangsu, Joda died before assuming the throne. He is considered as a ruler of Goguryeo at its zenith from Gwanggaeto the Great.
Despite his father, Gochudaega Joda, being named Crown Prince by Taewang Jangsu, he died before taking the throne.  He is considered to have been the ruler of Goguryeo during its most powerful period, under Gwanggaeto the Great.