Duke Gangyang

Duke Gangyang
Prince of Goryeo
BornWang Cha
Goryeo
Died1308
Goryeo
IssueWang Hu
Wang Ko
Wang Hun
Posthumous name
Jeonggang (정강, 靖康; "Tranquil and Peaceful")
HouseWang
FatherChungnyeol of Goryeo
MotherPrincess Jeongsin
Korean name
Hangul
강양군, 강양공
Hanja
江陽君, 江陽公
Revised RomanizationGangyanggun, Gangyanggong
McCune–ReischauerKangyanggun, Kangyanggong
Birth name
Hangul
왕자
Hanja
王滋
Revised RomanizationWang Ja
McCune–ReischauerWang Cha
Posthumous name
Hangul
정강
Hanja
靖康
Revised RomanizationJeonggang
McCune–ReischauerChŏnggang

Duke Gangyang or Prince Gangyang (Korean: 강양공; Hanja: 江陽公; died 1308), born Wang Cha, was a Goryeo royal prince as the first and oldest son of King Chungnyeol and Princess Jeongsin, also great-grandfather of its last monarch, King Gongyang.