Table:
text: List of state leaders in 499 BC
List of state leaders in 499 BC
List of state leaders in 499 BC
State_ Type_ Name_ Title Royal_house From_
Cai Sovereign Zhao Marquis Ji 518 BC
Cao Sovereign Cao Bo Yang Duke — 501 BC
Chen Sovereign Min Duke — 501 BC
Chu Sovereign Zhao King Mi 515 BC
Jin Sovereign Ding Duke Ji 511 BC
Lu Sovereign Ding Duke Ji 509 BC
Qi Sovereign Jing Duke Jiang 547 BC
Qi (Henan) Sovereign Li Duke — 505 BC
Qin Sovereign Hui I Duke Ying 500 BC
Song Sovereign Jing Duke — 516 BC
Teng Sovereign Qing Duke — 512 BC
Wey Sovereign Ling Duke — 534 BC
Wu Sovereign Helü King Zhou 514 BC

text: List of state leaders in 499 BC
List of state leaders in 499 BC
List of state leaders in 499 BC
State_ Type_ Name_ Title Royal_house From_
Yan Sovereign Jian I Duke — 504 BC
Yue Sovereign Yun Chang Marquis — 538 BC
Zheng Sovereign Sheng Duke — 500 BC

Question: What is under the list of heads of state from 499 B.C. the type for duke if that of 512 B.C. is?