Karras R.M. Unmarriages: Women, Men, and Sexual Unions in the Middle Ages

University of Pennsylvania Press, 2001. — 291 p.The Middle Ages are often viewed as a repository of tradition, yet what we think of as traditional marriage was far from the only available alternative to the single state in medieval Europe. Many people lived together in long-term, quasimarital heterosexual relationships, unable to marry if one was in holy orders or if the partners were of different religions. Social norms militated against the marriage of master to slave or between individuals of very different classes, or when the couple was so poor that they could not establish an independent household. Such unions, where the protections that medieval law furnished to wives (and their children) were absent, were fraught with danger for women in particular, but they also provided a degree of flexibility and demonstrate the adaptability of social customs in the face of slowly changing religious doctrine.