At common law, while a lease was binding on the grantor and his heirs, it was not good against " singular successors," i.e.
The practice of giving land as a beneficium to a grantee who swore personal allegiance to the grantor had persisted, and by his capitularies Charlemagne had made these personal engagements, these contracts of immunityhitherto not transferable, nor even for life, but quite conditionalregular, legal, even obligatory and almost indissoluble.
These included hereditary succession to tenements, exemption from sullage, the right to elect a reeve (praepositus) if the grantor thought one necessary and the right to marry without the lord's interference.
The length of time for which the holding should last came to be specified, at first for a term of years and then for life, and some payment to the grantor was provided for, not pretending to represent the economic value of the land, but only to serve as a mark of his continued ownership.
Senior, elder), in English law, the lordship remaining to a grantor after the grant of an estate in fee-simple.