וּלְשֵׁ֤ת גַּם־הוּא֙ יֻלַּד־בֵּ֔ן וַיִּקְרָ֥א אֶת־שְׁמ֖וֹ אֱנ֑וֹשׁ אָ֣ז הוּחַ֔ל לִקְרֹ֖א בְּשֵׁ֥ם יְהוָֽה׃ (פ)
And to Seth, to him also there was born a son; and he called his name Enosh; then began men to call upon the name of the LORD.
Read halakhic rulings (Jewish law) on Genesis 4:26: and classical halakhic sources.