וַיָּבֹ֧א אֱלֹהִ֛ים אֶל־אֲבִימֶ֖לֶךְ בַּחֲל֣וֹם הַלָּ֑יְלָה וַיֹּ֣אמֶר ל֗וֹ הִנְּךָ֥ מֵת֙ עַל־הָאִשָּׁ֣ה אֲשֶׁר־לָקַ֔חְתָּ וְהִ֖וא בְּעֻ֥לַת בָּֽעַל׃
But God came to Abimelech in a dream of the night, and said to him: ‘Behold, thou shalt die, because of the woman whom thou hast taken; for she is a man’s wife.’
Read kabbalistic (mystical) interpretation of Genesis 20:3: and classical mystical sources.