William Blackstone,
Commentaries on the Laws of England
(1768)
“ But when the acknowlegement was made to the absolute superior himself, who was vasal to no man, it was no longer called the oath of fealty, but the oath of allegiance; and therein the tenant swore to bear faith to his sovereign lord, in opposition to all men, without any saving or exception: "contra omnes homines fidelitatem fecit [2] ." Land held by this exalted species of fealty was called feudum ligium, a liege fee ”
