Cuyan (Manchu Veritable Records Vol.1), also rendered as Cheuk Yan (綽顏), was a leader of the Jianzhou Jurchens during the Ming dynasty. He was born in Hetu Ala.《清史稿·卷一·本紀一·太祖本紀》：於是肇祖移居蘇克蘇滸河赫圖阿喇。有子二：長充善，次褚宴。 He was Nurhaci's fifth generation grand uncle.
History The second son of Mengtemu, Cungšan's brother.《清史稿·卷一·本紀一·太祖本紀》：於是肇祖移居蘇克蘇滸河赫圖阿喇。有子二：長充善，次褚宴。 In 1433, when his father and his brother Agu were killed by Mutahu in Seven Surnames of the Savages (七姓野人), Cuyan and his brother Cungšan were attached to their uncle Fanca.《清史稿·卷二二二··列傳九》：而故建州左衛都督猛哥帖木兒死七姓野人之難，子阿古殉焉，諸子董山、綽顏依凡察以居。 In 1446, the Ming Dynasty seal Cuyan for fuqianhu of Jianzhou Left Defense (建州左衛).《清史稿·卷二二二·列傳九》：十一年二月，以董山弟綽顏為副千戶。 The birth and death is unknown, "Draft History of Qing" (清史稿) recorded in the early death.《清史稿·卷一六一·表一·皇子世表一》：褚晏，肇祖第二子。早卒。
Family Father Mengtemu (孟特穆)
Brother Agu (阿古) Cungšan (充善)
Nephew Tolo (妥羅) Toimo (妥義謨) Sibeoci Fiyanggū (錫寶齊篇古)
Bibliography "Draft History of Qing" (清史稿)/Volume 1 The same book/Volume 161 The same book/Volume 222
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