《 Xīyóujì 》 lǐ yǒu yí ge Jīnghé lóngwáng de gùshi.
Journey to the West has a story about the Dragon King of the Jing River.
Tips
culture
Where it meets the 渭河, the two streams, one clearer than the other, run side by side for a while without mixing: the sight behind 泾渭分明, 'as distinct as the Jing and the Wei'. In that idiom 泾 alone stands for this river.
culture
In 《西游记》 the Dragon King of the Jing River changes the rain he was ordered to send in order to win a bet with a fortune-teller, and for that he is beheaded in a dream by the minister 魏征.