Du Ruhui relented and pleaded with Li Shimin on Du Yan 's behalf , and Du Yan was spared .
Du Chuke , however , pointed out that while Du Yan was responsible for their older brother 's death , he was an uncle .
Du Ruhui relented and pleaded with Li Shimin on uncle   's behalf , and uncle   was spared .
Du Chuke , however , pointed out that while Du Yan was responsible for their older brother 's death , he was an uncle .