וַיַּ֤עַל מִשָּׁם֙ אֶת־עַצְמ֣וֹת שָׁא֔וּל וְאֶת־עַצְמ֖וֹת יְהוֹנָתָ֣ן בְּנ֑וֹ וַיַּ֣אַסְפ֔וּ אֶת־עַצְמ֖וֹת הַמּוּקָעִֽים׃
and he brought up from thence the bones of Saul and the bones of Jonathan his son; and they gathered the bones of them that were hanged.
Read kabbalistic (mystical) interpretation of II Samuel 21:13: and classical mystical sources.