[2] He was known to his contemporaries as a capable administrator, and, according to Marjorie Chibnall, he was more than a match for Robert Curthose, who had succeeded his father, William the Conqueror, to the title of Duke of Normandy.
[2] Maminot was known to be 'a man of great learning and some medical skill, just and firm…but merciful’ and a capable administrator, although he was more notorious, according to Marjorie Chibnall, for his failings; ‘worldliness, obstinacy, and self-indulgence’.
'[2] Orderic goes on to explain that, on the 4th of April, in 1095, there was ‘a great shower of stars thick enough to have passed for hail’, that Gilbert observed, and that the bishop noted that: “In my opinion this means the migration of peoples from one kingdom to another.
William the Conqueror granted the Manor of Deptford or West Greenwich to Gilbert Magminot or Maminot, bishop of Lisieux,[5] one of the eight barons associated with John de Fiennes for the defence of Dover Castle.
[6][7] In 1814 John Lyon wrote that Maminot built a castle, or castellated mansion, for himself at Deptford, of which all traces had by then long since been buried in their ruins, but from the remains of some ancient foundations which had been discovered the site was probably on the brow of Broomfield, near the Mast Dock and adjacent to Sayes Court.