וַיְהִי֮ אַחֲרֵ֣י קָבְר֣וֹ אֹתוֹ֒ וַיֹּ֤אמֶר אֶל־בָּנָיו֙ לֵאמֹ֔ר בְּמוֹתִי֙ וּקְבַרְתֶּ֣ם אֹתִ֔י בַּקֶּ֕בֶר אֲשֶׁ֛ר אִ֥ישׁ הָאֱלֹהִ֖ים קָב֣וּר בּ֑וֹ אֵ֚צֶל עַצְמֹתָ֔יו הַנִּ֖יחוּ אֶת־עַצְמֹתָֽי׃
And it came to pass, after he had buried him, that he spoke to his sons, saying: ‘When I am dead, then bury me in the sepulchre wherein the man of God is buried; lay my bones beside his bones.
Read kabbalistic (mystical) interpretation of I Kings 13:31: and classical mystical sources.