Sangdaedeung

Sangdaedeung (Korean상대등; Hanja上大等, the First of Daedeungs or Peers, Extraordinary Rank One) or Sangsin (상신, 上臣), was an office of the Silla state. The Sangdaedeung was the head of the Council of Nobles and was considered as the highest and most prestigious office that one could attain next to the throne itself. The position was established during King Beophung's 18th year as a king (531) and survived until the end of Silla.