וַיֹּ֤אמֶר בְּנֵי־גָד֙ וּבְנֵ֣י רְאוּבֵ֔ן אֶל־מֹשֶׁ֖ה לֵאמֹ֑ר עֲבָדֶ֣יךָ יַעֲשׂ֔וּ כַּאֲשֶׁ֥ר אֲדֹנִ֖י מְצַוֶּֽה׃
And the children of Gad and the children of Reuben spoke unto Moses, saying: ‘Thy servants will do as my lord commandeth.
Read halakhic rulings (Jewish law) on Numbers 32:25: and classical halakhic sources.