וַיַּרְא־שָׁ֧ם יְהוּדָ֛ה בַּת־אִ֥ישׁ כְּנַעֲנִ֖י וּשְׁמ֣וֹ שׁ֑וּעַ וַיִּקָּחֶ֖הָ וַיָּבֹ֥א אֵלֶֽיהָ׃
And Judah saw there a daughter of a certain Canaanite whose name was Shua; and he took her, and went in unto her.
Read kabbalistic (mystical) interpretation of Genesis 38:2: and classical mystical sources.