Robert de St John

Robert de St John († March 1267 ) was an English nobleman.

Robert de St John was a son of William de Port and his wife Mabel de St John. His father had adopted the name St John as the husband of Roger de St John's heiress . 1254 he is referred to as the Lord of Basing in Hampshire . In 1258 he should take part in the campaign of King Heinrich III. to attend Wales. After the death of her father in 1265, he inherited the Honor of Halnaker in Sussex and possessions in five other counties through his mother Mabel . In 1266 he became the commandant of Portchester Castle , but died in 1267.

St John had married Agnes, a daughter of William III de Cantilupe . His heir became his son John de St John .

Individual evidence

↑ William Betham: The baronetage of England, or The History of the English baronets, and such baronets of Scotland, as are of English families; with genealogical tables, and engravings of their coats of arms. Vol. 3, Burrell and Bransby, Ipswich 1803, p. 386
↑ Malcolm Vale: St John, Sir John de (d. 1302). In: Henry Colin Gray Matthew, Brian Harrison (Eds.): Oxford Dictionary of National Biography , from the earliest times to the year 2000 (ODNB). Oxford University Press, Oxford 2004, ISBN 0-19-861411-X , ( oxforddnb.com license required ), as of 2004

personal data
SURNAME	De St John, Robert
BRIEF DESCRIPTION	English nobleman
DATE OF BIRTH	13th Century
DATE OF DEATH	March 1267

[1] William Betham: The baronetage of England, or The History of the English baronets, and such baronets of Scotland, as are of English families; with genealogical tables, and engravings of their coats of arms. Vol. 3, Burrell and Bransby, Ipswich 1803, p. 386

[2] Malcolm Vale: St John, Sir John de (d. 1302). In: Henry Colin Gray Matthew, Brian Harrison (Eds.): Oxford Dictionary of National Biography , from the earliest times to the year 2000 (ODNB). Oxford University Press, Oxford 2004, ISBN 0-19-861411-X , ( oxforddnb.com license required ), as of 2004