Joshua 21:36 Midrash

וּמִמַּטֵּ֣ה רְאוּבֵ֔ן אֶת־בֶּ֖צֶר וְאֶת־מִגְרָשֶׁ֑הָ וְאֶת־יַ֖הְצָה וְאֶת־מִגְרָשֶֽׁהָ׃

[And out of the tribe of Reuben, Bezer with the open land about it, and Jahaz with the open land about it;