Genesis 11:17 Kabbalah

וַֽיְחִי־עֵ֗בֶר אַחֲרֵי֙ הוֹלִיד֣וֹ אֶת־פֶּ֔לֶג שְׁלֹשִׁ֣ים שָׁנָ֔ה וְאַרְבַּ֥ע מֵא֖וֹת שָׁנָ֑ה וַיּ֥וֹלֶד בָּנִ֖ים וּבָנֽוֹת׃ (ס)

And Eber lived after he begot Peleg four hundred and thirty years, and begot sons and daughters.

Read kabbalistic (mystical) interpretation of Genesis 11:17: and classical mystical sources.