What is the place of the family in legal scholarship and teaching, and in deep, implicit ideas about how our legal order is arranged? How did it get to be that way? Published in two separate Parts, this Article tells a story of American family law: how the law of Domestic Relations emerged as a distinct legal topic in late-nineteenth-century legal treatises, and what ideological conditions facilitated its renaming and reconstruction as Family Law in the Family Courts and casebooks of the twentieth century. Almost without exception, throughout this account Domestic Relations/Family Law are what they are by virtue of their categorical distinction from the law of contract and, more broadly, the law of the market. This distinction did not alway...