What were some laws and customs for nobles and peasants in medieval time?
The state of medieval law changes tremendously over the period. The Middle Ages runs for a thousand years. You would need to read many books to get any detail on this. There are several different kinds of law. Canon law is church law, and would have applied equally to everybody on the relevant issues, since its concern was distinctions between clergy and laity, not noble and peasant. This included things like marriage law and the payment of tithes. There were three chief varieties of secular law; royal law, Roman law (considered universally applicable, especially after the eleventh century), and local customary law. Roman law was especially used to govern things like property and economic relations (but not only those). Customary law really only emerges in the high to late Middle Ages, at least as a form of written law (of course, one assumes that local courts made their decisions on the basis of local custom for a long time before that). A lot of early medieval royal law codes (500-10
