Katharine Sykes charts some of the significant changes to the structure of households between the seventh to eleventh centuries, as ideas of spiritual, non-biological reproduction first fostered in monastic households were adopted in royal households in the tenth and eleventh centuries, and as ideas about kinship that were generated in secular households, such as the relationship between genealogy and inheritance, were picked up and applied by their monastic counterparts. In place of binary divisions between secular and monastic, biological and spiritual, real and imagined, Sykes demonstrates that different forms of kinship and reproduction in this period were intimately linked.