וַיֹּ֣אמֶר שָׁא֔וּל הַפִּ֕ילוּ בֵּינִ֕י וּבֵ֖ין יוֹנָתָ֣ן בְּנִ֑י וַיִּלָּכֵ֖ד יוֹנָתָֽן׃
And Saul said: ‘Cast lots between me and Jonathan my son.’ And Jonathan was taken.
Read halakhic rulings (Jewish law) on I Samuel 14:42: and classical halakhic sources.