וַיִּשְׁלַ֨ח יַעֲקֹ֤ב מַלְאָכִים֙ לְפָנָ֔יו אֶל־עֵשָׂ֖ו אָחִ֑יו אַ֥רְצָה שֵׂעִ֖יר שְׂדֵ֥ה אֱדֽוֹם׃
Y envió Jacob mensajeros delante de sí á Esaú su hermano, á la tierra de Seir, campo de Edom.
Zohar
AND JACOB SENT MESSENGERS (lit. angels), ETC. R. Judah discoursed on the text: For he will give his angels charge over thee, to keep thee in all thy ways (Ps. 91, 11). ‘According to the companions,’ he said, ‘the moment a child is born into the world, the evil prompter straightway attaches himself to him, and thenceforth brings accusations against him, as it says, “sin coucheth at the door” (Gen. 4, 7), the term “sin” being a designation of the evil prompter,
Sefer Etz Chaim
Returning to the interpretation of the parasha of Vayishlach regarding "These are the kings": It has been explained how the four backs of Abba, Imma, Yisrael Saba, and Tevunah descended. Hence, among these kings, only four mention the names of their fathers—Bela, Yovav, Baal-Hanan, and Hadad. Another distinction is that even for these four, the father's name is mentioned only during their reign, not during their death. For instance, it says, "Bela, son of Beor, reigned in Edom," but during his death, it states simply, "And Bela died," without mentioning "son of Beor." This indicates that only four aspects of backs descended from the patriarchs and no more, as their descendants remained independent.