וַיַּ֥עַן יְהוֹנָתָ֖ן אֶת־שָׁא֑וּל נִשְׁאֹ֨ל נִשְׁאַ֥ל דָּוִ֛ד מֵעִמָּדִ֖י עַד־בֵּ֥ית לָֽחֶם׃
And Jonathan answered Saul: ‘David earnestly asked leave of me to go to Beth-lehem;
Read halakhic rulings (Jewish law) on I Samuel 20:28: and classical halakhic sources.