Table:
text: List of state leaders in 400 BC
List of state leaders in 400 BC
List of state leaders in 400 BC
State_ Type_ Name_ Title Royal_house From_
Chu Sovereign Dao King Mi 401 BC
Han Sovereign Jing Marquis — 408 BC
Jin Sovereign Lie Duke Ji 415 BC
Lu Sovereign Mu Duke Ji 415 BC
Qi Sovereign Kang Duke Jiang 404 BC
Qin Sovereign Jian Duke Ying 414 BC
Song Sovereign Dao Duke — 403 BC
Wei Sovereign Wen Marquis — 445 BC
Wey Sovereign Shen Duke — 414 BC
Yan Sovereign Jian II Duke — 414 BC
Yue Sovereign Yi King — 412 BC
Zhao Sovereign Lie Marquis — 408 BC
Zheng Sovereign Xu Duke — 422 BC

Question: Which state among all heads of state in 400 BC? has a royal title?