in the Eighteenth Century In those Eastern European areas where, by the eighteenth century, the rural economy had come to be dominated by large serf estates, analysis of the organization of peasant domestic groups immediately runs into the problem of the authority of the seigneur. If Gutswirtschaft landowners had the authority to interfere in the formation, composition, and development of rural domestic groups, and if they exercised that authority frequently and at the expense of local custom, what were likely to be the consequences for the developmental cycle of the peasant family and for the macrostructure of domestic groups that combined several families? In an earlier article on one serf estate in the Baltic littoral we suggested this line of inquiry as one of the many on which further work needed to be done if the differences between peasant family life in Eastern and Western Europe were to be elucidated.' The enserfed peasants of the Baltic, as those of other Eastern European areas where serfdom had grown stronger in the period I5oo-800oo, were more likely than their counterparts in the West to experience the intrusion of landowners in everyday life, especially since the rural economy in many such areas was already oriented to an export market.2 In the pages that follow we will explore the connection between seigneurial authority and rural domestic groups by means of data drawn from the fifth Russian Imperial head-tax (or soul) revision carried out by local authorities in the Baltic province of Kurland in