Rashi on II Kings
And it passed by the wild beast [that was in Levanon]. “Yaakov’s sons came upon the slain.”4Bereishis 34:27. Here too, you come to compare yourself to me. This comparison was to humiliate him, for he likened him [Amatzyohu] to a thistle, and himself to a cedar [tree].5Yehoash, whose grandfather Yeihu, completely destroyed Achov and his family, was mocking Amatzyohu, who was Achov’s descendant.