By the 14th century, Penhallam was occupied by the Beaupré family, tenants of the Champernownes, and by 1330 the manor had begun to be subdivided into smaller units of land.
The passage describes how the ownership and division of land at Penhallam changed over time. By the 14th century, it was under the control of the Beaupré family who were tenants of the Champernownes.  By 1330, the manor began to be divided into smaller parcels of land.