I Samuel 4:11 Kabbalah

וַאֲר֥וֹן אֱלֹהִ֖ים נִלְקָ֑ח וּשְׁנֵ֤י בְנֵֽי־עֵלִי֙ מֵ֔תוּ חָפְנִ֖י וּפִֽינְחָֽס׃

And the ark of God was taken; and the two sons of Eli, Hophni and Phinehas, were slain.

Read kabbalistic (mystical) interpretation of I Samuel 4:11: and classical mystical sources.