Judah's daughter-in-law — widowed twice by his sons Er and Onan, then left in limbo when Judah withheld his third son Shelah, the levirate duty that was her only route to a future. She takes it by stratagem: veiled at the roadside on the Timnah road, she is taken by Judah for a prostitute, and secures as his pledge the seal, cord and staff that are his identity. Three months later, sentenced by him to be burned, she returns them with two words — 'RECOGNIZE, PLEASE' — the exact phrase Judah had used to make his own father identify Joseph's bloodied tunic. Judah's answer is the hinge of his life: 'She is more righteous than I' (38:26). Genesis never calls her righteous in its own voice; it has the patriarch do it, in public, and leaves the sentence standing. Her twins are Perez and Zerah — and the line of Perez runs to David (Ruth 4:18-22) and into the opening paragraph of the New Testament, where Matthew names her: 'Perez and Zerah by Tamar' (Matthew 1:3), one of only four women in that genealogy. ⚠️ Not the same Tamar as David's daughter (2 Samuel 13), though the two stories share a word — the ketonet passim, the ornamented tunic.