Infeoff

[I]n February 1648, in a letter to [Thomas] Fairfax's secretary, [Robert] Overton expresses pleasure that the king's servants have been removed and suggests that it would 'prove a happy privation if the Father would please to dispossess him of three transitory kingdoms to infeoff him in an eternal one'.

[H]e alleged farther that his predecessors had been infeft, at the Conquest, in the lands of Alfric son of Wisgar, who was Lord of that Hundred, as may be read in Domesday Book by all persons.

The deed by which a fee is brought into existence, or by which the superior authorizes a person to hold lands of him as his vassal, and entitles the vassal to be put in personal possession of such lands, is called a Feu-charter. It consists in general of the following clauses. [...] 10. Precept of Sasine, by which the superior empowers the vassal to be infeft.

… while a minor he received a dispensation and special license from the king, dated 8 Jan. 1608, upon which by a precept from chancery he was infeft in all the lands possessed by his father on 26, 27, 28 and 29 April.

Not only had a vassal to be infeft when a grant was made or confirmed: a successor had to be infeft when he took up his inheritance.