La Genèse 36:35 Midrash : Midrash Tanchuma, Midrash Tanchuma Buber, Bamidbar Rabbah & Sifrei Bamidbar

וַיָּ֖מָת חֻשָׁ֑ם וַיִּמְלֹ֨ךְ תַּחְתָּ֜יו הֲדַ֣ד בֶּן־בְּדַ֗ד הַמַּכֶּ֤ה אֶת־מִדְיָן֙ בִּשְׂדֵ֣ה מוֹאָ֔ב וְשֵׁ֥ם עִיר֖וֹ עֲוִֽית׃

Houcham mort, à sa place régna Hadad, fils de Bedad, qui défit Madian dans la campagne de Moab. Le nom de sa ville: Avith.

Midrash Tanchuma

(Numb. 22:4:) “So Moab said unto the elders of Midian.” What is the relevance of [mentioning] the elders of Midian here?7Numb. R. 20:4. It is simply that they saw Israel conquering in a way that was not customary for conquerors. They said, “Their leader (i.e., Moses) was raised in Midian. Let us learn through them what his character is like.” The elders of Midian said to them, “His power is only in his mouth.” They said to them, “We also will bring someone against them who has power in his mouth.” (Numb. 22:4:) “So Moab said unto the elders of Midian.” Do you not find that the Midianites were at war with the Moabites? It is so stated (in Gen. 36:35), “[and Hadad ben Bedad,] who smote Midian in the plain of Moab, [reigned in his place].” Moreover, the hatred between them had existed from time immemorial. The matter is comparable to two dogs who were hostile to each other.8Sifre, Numb. 31:1-2 (157); Sanh. 105a. [When] a wolf came against one of them, his companion said, “If I do not help him, [the wolf] will kill this [dog] today. [Then] tomorrow he will come against me.” Therefore Moab formed an alliance with Midian. (Numb. 22:4, cont.:) “As the ox licks up [the grass of the field].” Just as the ox has its power in its mouth, so do they have their strength in their mouth. Just as everything an ox licks up has no sign9Gk.: semeion. of blessing, [so] also whatever these lick up have no sign of blessing. Just as an ox gores with its horns, [so] also do these gore with their prayer, as stated (according to Deut. 33:17), “and his horns are the horns of a wild ox, [and with them he gores the nations].”

Midrash Tanchuma Buber

(Numb. 22:4:) SO MOAB SAID UNTO THE ELDERS OF MIDIAN. Do you not find that the Midianites were at war with the Moabites? It is so stated (in Gen. 36:35): <AND HADAD BEN BEDAD,> WHO SMOTE MIDIAN IN THE PLAIN OF MOAB, <REIGNED IN HIS PLACE>. Moreover, the hatred between them had existed from time immemorial. <The matter> is comparable [to two] dogs who were hostile to each other.9Sifre, Numb. 31:1-2 (157); Sanh. 105a. A wolf came against one of them. His companion said: If I do not help him, <the wolf> will kill this <dog> today. <Then> tomorrow he will come against me. Therefore Moab formed an alliance with Midian.

Bamidbar Rabbah

“Moav said to the elders of Midyan: Now this assembly will lick clean all our surroundings, as the ox licks clean the grass of the field. And Balak son of Tzipor was king of Moav at that time” (Numbers 22:4).
“Moav said to the elders of Midyan” – what is the nature of the presence of the elders of Midyan here?9In the land of Moav. It is because they were seeing Israel achieving victory in an unnatural way. They said: ‘Their leader achieved prominence in Midyan, we will ascertain from them what are his attributes.’ The elders of Midyan said to them: 'His power is only in his mouth.' They said to them: 'We, too, will come against them with a person whose power is in his mouth.'
“Moav said to the elders of Midyan” – but do you not find that the Midyanites waged war against the Moavites, as it is stated: “Who smote Midyan in the field of Moav” (Genesis 36:35), and the enmity between them is permanent. This is analogous to two dogs that were fighting with one another. A wolf came against one of them. The other said: ‘If I do not help it, today it will kill that one and the next day it will come against me.’ That is why Moav aligned with Midyan.
“Now this assembly will lick clean all our surroundings, as the ox licks clean [the grass of the field]” – just as the ox, its might is in its mouth, so, too, these, their power is in their mouths. Just as the ox, in everything that it licks clean there will be no sign of blessing; these too, in every nation that they touch, there will be no sign of blessing. Just as an ox gores with its horns; these, too gore with their prayers, as it is stated: “And his horns are the horns of the wild ox” (Deuteronomy 33:17).
“And Balak son of Tzipor was king of Moav at that time” – was he not initially a prince, as it is stated: “[…the Midyanite chiefs,] Evi and Rekem [and Tzur...the princes of Sihon]”? (Joshua 13:21).10Tzur is identified as being Balak (Matnot Kehuna). In Bemidbar Rabba 20:25, the daughter of Tzur says that her father is Balak. It is, rather, that once Siḥon was killed, they crowned him in his place at that time, as the circumstances caused him [to be appointed].