Genesis 38:15

Overview - Genesis 38
1	Judah begets Er, Onan, and Shelah.
6	Er's marriage with Tamar, and death.
8	The trespass of Onan.
11	Tamar is reserved for Shelah.
12	Judah's wife dies.
13	Tamar deceives Judah.
27	She bears twins, Pharez and Zarah.

Genesis 38:15  (King James Version)
When Judah saw her, he thought her to be an harlot; because she had covered her face.