Judah was pretty set on executing his twice-widowed daughter-in-law, Tamar, when he found out she had prostituted herself (Gen. 38:24).
After her second husband died, he deceitfully promised her she could marry his third son once he was old enough (Gen. 38:11).
This was a common Hebrew practice, termed “brother-in-law marriage,” realized to preserve the first husband’s lineage (Gen. 38:8; Deut. 25:5,6). This arrangement also served to provide materially for women who otherwise might end up in dire poverty.
But when Judah’s son came of age, Judah was afraid he would also die so he did not keep his promise to Tamar.
When she realized she had been lied to, she disguised herself as a prostitute and had sexual relations with Judah, who by then was also a widow (Gen. 38:14-16).
The lesson I wish to point out is that although Judah had acted shamefully, he readily admitted he had been wrong.
Judah was a prominent man, eventually receiving his father’s blessing. This was a privilege since only one of his father’s 12 sons could become an ancestor to the Messiah (Gen. 49:10).
Even so, he did not use his influence to hide his error or to crush the woman who brought it to light, thus setting an example for future leaders who likewise make grave mistakes.