King James Version (KJV)
And ye shall know that I {am} the LORD, when I have opened your graves, O my people, and brought you up out of your graves,
Modern English
You will know that I am Yahweh, when I have opened your graves, and caused you to come up out of your graves, my people.
Hebrew
וִֽידַעְתֶּ֖ם כִּֽי־אֲנִ֣י יְהוָ֑ה בְּפִתְחִ֣י אֶת־קִבְרֽוֹתֵיכֶ֗ם וּבְהַעֲלוֹתִ֥י אֶתְכֶ֛ם מִקִּבְרוֹתֵיכֶ֖ם עַמִּֽי׃
viydaʿtem kiy-ʾaniy yhvah bpitḥiy ʾet-qibrvoteykem vbhaʿalvotiy ʾetkem miqibrvoteykem ʿamiy