The present assault on Judeo-Christian marriage is a blessing in disguise. Judeo-Christian marriage is a religious, not a legal, institution. The ancient world had many legal marriages which Christians and Jews found abhorrent. Sibling incest was normal among the royal family of Hellenistic Egypt – Cleopatra married her brother Ptolemy, just as a Cleopatra had married a brother Ptolemy for generations. Before the Greek rulers of Egypt, pharaohs of Egypt would marry their daughters. This ancient Egypt was not odd and barbaric: Egypt was among the most cultured societies of the past.