Table:
text: List of state leaders in 850s BC
Vassal states
Vassal states
State_ Type_ Name_ Title Royal_house
Cai Sovereign Wu Marquis Ji
Cao Sovereign Yi Count —
Chen Sovereign You Duke —
Jin Sovereign Li Marquis Ji
Jin Sovereign Jing Marquis Ji
Lu Sovereign Xian Duke Ji
Lu Sovereign Shen Duke Ji
Qi Sovereign Xian Duke Jiang
Qi Sovereign Wu Duke Jiang
Qin Sovereign Feizi Ruler Ying
Qin Sovereign Marquis Ruler Ying
Song Sovereign Li Duke —
Wey Sovereign Qing Marquis —
Wey Sovereign Li Marquis —
Yan Sovereign Hui Marquis —

Question: Among the list of state leaders in the 850s BC, what is the royal house for Wu in Cai state?

Question: From the list of heads of state in the 850s BC, which state lists the title as earl?

Question: What was the state of royalty among the heads of state in the 850s BC? BC?