Rashi on Tanakh2 Chronicles 11

and he assembled the house of Judah and Benjamin who were together on the border. Jerusalem belonged to both of them, and the Temple was built on their common border. In the section dealing with boundaries in Joshua, it explains how their border was shared. Our Rabbis also said (Yoma 12a, Meg. 26a, Zeb. 53b): A strip protruded from the territory of Benjamin and entered the territory of Judah, upon which the altar was built. Therefore, they were inseparable, and they are also mentioned close to one another.

with your brothers Are they not your brothers, the sons of one man?

and he built cities for fortification - Heb. לְמָצוֹר. He built small cities and surrounded them with water for strength, and this is [called] מָצוֹר as it is written in Isaiah (37:25): “I dug and drank water, and I dried up with the soles of my feet all rivers of fortification (מַָצוֹר).” And this was now necessary because Israel rebelled against him.

leaders chiefs and officers to guard the towns and the large cities.

and storehouses of food, oil, and wine in order to have food prepared for them should the house of Israel march upon them to besiege them.

For the Levites had abandoned their open land that was in the entire land of the ten tribes.

because Jeroboam...had coerced them to abandon He coerced them to abandon serving and ministering to the Lord.

priests for the high places i.e., Why did Jeroboam coerce them to abandon [their positions]? Because he stationed pagan priests for the satyrs.

And after them [i.e., after] the Levites and the priests.

Abihail the daughter of Eliab Like: and Abihail, similar to (Jer. 11:19): “And I was like a lamb and a bull (כְּכֶבֶשׂ אַלּוּף).” The following was the reason that Samuel the seer erred when Jesse passed Eliab before Samuel, and he [Samuel] said, (I Sam. 16:6): “Surely before the Lord is His anointed.” This is the one about whom the Holy One, blessed be He, is destined to say, “Arise, anoint him, for this is he.” But Samuel erred about him, for he saw Eliab’s daughter as Rehoboam’s wife, the queen, and because of the following matter, Samuel was punished: When Saul asked him, (ibid. 9: 18) “Which is the house of the seer?” Samuel replied, “I am the seer,” in which case he did not answer him with humility, saying, “What do you wish.” [Therefore,] the Holy One, blessed be He, said to him, “By your life, you are destined to see, and you will not know what you see,” for he erred concerning Eliab and his daughter the queen.

as a leader among his brothers in order to make him king.

and he dispersed He scattered his sons to all the lands of Judah. A similar expression is (I Chron. 4:38): “And their fathers’ houses spread (פָּרְצוּ) exceedingly.”