Hanslope Castle was the caput of the small local honour of Hanslope sometimes called from the 12th and 13th-century holders the Mauduit barony https://www.british-history.ac.uk/vch/bucks/vol4/pp348-362#fnn47">(fn. 47) or fee. https://www.british-history.ac.uk/vch/bucks/vol4/pp348-362#fnn48">(fn. 48) It represented the Domesday fief of Winemar the Fleming, which lay principally in Hanslope, https://www.british-history.ac.uk/vch/bucks/vol4/pp348-362#fnn49">(fn. 49) but extended also into Northamptonshire, where it included small holdings in Cosgrove, Easton Maudit, Strixton, Ashton, and Easton Neston. https://www.british-history.ac.uk/vch/bucks/vol4/pp348-362#fnn50">(fn. 50) Winemar was succeeded in all his lands held in chief by Michael de Hanslope, https://www.british-history.ac.uk/vch/bucks/vol4/pp348-362#fnn51">(fn. 51) after whose death Henry I granted his honour and lands in marriage with his daughter, Maud de Hanslope, to William Mauduit. https://www.british-history.ac.uk/vch/bucks/vol4/pp348-362#fnn52">(fn. 52) They were evidently confiscated in Stephen's reign, but promised by Henry II before his accession to William Mauduit, together with the office of chamberlain of the Treasury https://www.british-history.ac.uk/vch/bucks/vol4/pp348-362#fnn53">(fn. 53) or Exchequer, which had been held by him in 1135 in succession to his father William and his elder brother, Robert Mauduit. https://www.british-history.ac.uk/vch/bucks/vol4/pp348-362#fnn54">(fn. 54) On the death of William Mauduit, Henry II confirmed Hanslope to his son William, as also the barony and chamberlaincy in England and Normandy. https://www.british-history.ac.uk/vch/bucks/vol4/pp348-362#fnn55">(fn. 55) He was holding Hanslope Honour in 1166 by the service of four and a half knights, https://www.british-history.ac.uk/vch/bucks/vol4/pp348-362#fnn56">(fn. 56) and presumably late in the century. https://www.british-history.ac.uk/vch/bucks/vol4/pp348-362#fnn57">(fn. 57) Robert Mauduit, who succeeded before 1196, https://www.british-history.ac.uk/vch/bucks/vol4/pp348-362#fnn58">(fn. 58) joined the barons against King John. https://www.british-history.ac.uk/vch/bucks/vol4/pp348-362#fnn59">(fn. 59) In 1215, as already stated, Hanslope Castle was destroyed by Fawkes de Breauté, to whom a grant of the site of the castle and of all the lands formerly held by William Mauduit was made in 1216. https://www.british-history.ac.uk/vch/bucks/vol4/pp348-362#fnn60">(fn. 60) In 1217 Hanslope Honour, formerly Robert Mauduit's, was granted to Henry de Brayboeuf, https://www.british-history.ac.uk/vch/bucks/vol4/pp348-362#fnn61">(fn. 61) but seems to have been afterwards restored to Robert Mauduit before his death about 1222. https://www.british-history.ac.uk/vch/bucks/vol4/pp348-362#fnn62">(fn. 62) He was succeeded by his son William, https://www.british-history.ac.uk/vch/bucks/vol4/pp348-362#fnn63">(fn. 63) who died about 1257, when his heir was his son Sir William Mauduit. https://www.british-history.ac.uk/vch/bucks/vol4/pp348-362#fnn64">(fn. 64) In 1263 he succeeded to the earldom of Warwick through his mother Alice, daughter of Waleran de Newburgh, the fourth earl. https://www.british-history.ac.uk/vch/bucks/vol4/pp348-362#fnn65">(fn. 65) From this time the fees of the honour of Hanslope are given under those of the earldom, references to the honour occurring until the middle of the 15th century. https://www.british-history.ac.uk/vch/bucks/vol4/pp348-362#fnn66">(fn. 66)
He is married to Isabel Bassett.
They got married about 1195.
Child(ren):
http://www.ourfamilyhistories.org/getperson.php?personID=I9274&tree=00
https://www.geni.com/people/Robert-Mauduit-II-Baron-of-Hanslope/6000000002187570336