The European Marriage Pattern (EMP), in place in NW Europe for perhaps 500 years, substantially limited fertility. But how could such limitation persist when some individuals who deviated from the EMP norm had more children? If their children inherited their deviant behaviors, their descendants...

English fertility history is generally regarded as having been composed of two re-gimes: an era of unregulated marital fertility, from at least 1540 to 1890, then the modern era, with regulated marital fertility, lower for higher social classes. We show there were in fact three fertility regimes...