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...

(연덕부원대군 왕훈; 定原府院君 王鈞) Grandfather: Wang Ja, Duke Gangyang (강양공 왕자, 江陽公 王滋; d. 1308) Great-grandfather: Wang Geo, King Chungnyeol (충렬왕 왕거, 忠烈王 王昛; 1236–1308)...