According to the Samguk Yusa, he was descended from King Jinheung of Silla, but clearly his branch of the family had lost its royal connection some time before.
Menurut Samguk Yusa, ia adalah keturunan dari Raja Jinheung dari Silla, namun jelas-jelas cabang keluarganya telah kehilangan hubungan kerajaannya jauh hari sebelumnya.