וַיֹּ֤אמֶר לָבָן֙ לְיַעֲקֹ֔ב הֲכִי־אָחִ֣י אַ֔תָּה וַעֲבַדְתַּ֖נִי חִנָּ֑ם הַגִּ֥ידָה לִּ֖י מַה־מַּשְׂכֻּרְתֶּֽךָ׃
And Laban said unto Jacob: ‘Because thou art my brother, shouldest thou therefore serve me for nought? tell me, what shall thy wages be?’
Read halakhic rulings (Jewish law) on Genesis 29:15: and classical halakhic sources.