וְהָלְכ֤וּ בָנָיו֙ וְעָשׂ֣וּ מִשְׁתֶּ֔ה בֵּ֖ית אִ֣ישׁ יוֹמ֑וֹ וְשָׁלְח֗וּ וְקָרְאוּ֙ לִשְׁלֹ֣שֶׁת אחיתיהם [אַחְיֽוֹתֵיהֶ֔ם] לֶאֱכֹ֥ל וְלִשְׁתּ֖וֹת עִמָּהֶֽם׃
And his sons used to go and hold a feast in the house of each one upon his day; and they would send and invite their three sisters to eat and to drink with them.
Read halakhic rulings (Jewish law) on Job 1:4: and classical halakhic sources.