וַֽיְחִ֣י מַֽהֲלַלְאֵ֗ל אַֽחֲרֵי֙ הוֹלִיד֣וֹ אֶת־יֶ֔רֶד שְׁלֹשִׁ֣ים שָׁנָ֔ה וּשְׁמֹנֶ֥ה מֵא֖וֹת שָׁנָ֑ה וַיּ֥וֹלֶד בָּנִ֖ים וּבָנֽוֹת׃
And Mahalalel lived after he begot Jared eight hundred and thirty years, and begot sons and daughters.
Read kabbalistic (mystical) interpretation of Genesis 5:16: and classical mystical sources.