Genesis 38:11, 24

Then Judah said to Tamar, his daughter-in-law, “Remain a widow at your father’s house until Shelah my [youngest] son is grown”; [but he was deceiving her] for he thought that [if Shelah should marry her] he too might die like his brothers did. So Tamar went and lived in her father’s house.

About three months later Judah was told, “Tamar your daughter-in-law has played the [role of a] prostitute, and she is with child because of her immorality.” So Judah said, “Bring her out and let her be burned [to death as punishment]!”