| Yi of Cai | |
|---|---|
| Reign: | 837–809 BC |
| Parent{s}: | Marquess Wu of Cai (蔡武侯) Marchessa of Cai (蔡侯妃) |
| Spouse(s): | Unknown |
| Issue(s): | Ji Suo Shi |
| Ancestral name (姓): | Ji (姬) |
| Given name (名): | Unknown |
| Courtesy name (字): | Unknown |
| Posthumous name (謚): | Yi (夷) |
| Styled: | Yi, the Marquis of Cai (蔡武侯) |
| General note: Dates given here are in the Julian calendar. They are not in the proleptic Gregorian calendar. | |
| ——— | |
Marquis Yi of Cai (蔡夷侯) (died 809 BC), birth name unknown, was the seventh ruler of the State of Cai from 837 BC to 809 BC. He was the only known son of Marquis Wu of Cai (蔡武侯). His reign lasted for 28 years like his father's. He was succeeded by his son.