יהושע יח:יב פירוש: רש״י

Their northern boundary. Their northern boundary was the Jordan, since the border started from the east and went up alongside Yericho from the north. It went from there westward alongside Yericho and the border line is drawn on the northside of Yericho. Thus Yericho is within the border line in the portion of Binyomin.

To the wilderness of Beis-Oven. To the wilderness of Beis-Oven.⁶ Rashi explains that the text מִדְבְּרָה בֵּית אָוֶן is the same as לַמִדְבַּר שֶׁל בֵּית אָוֶן.