Vice-Admiral Robert FitzRoy FRS (5 July 1805 – 30 April 1865) was an English officer of the Royal Navy and a scientist. He achieved lasting fame as the...

Gilbert (d. c. 1090). His paternal grandfather was Richard fitz Gilbert's son Robert Fitz Richard, steward of Henry I, to whom the king had granted the...

Fitz (pronounced "fits") was a patronymic indicator used in Anglo-Norman England to help distinguish individuals by identifying their immediate predecessors...

Richard fitz Gilbert (before 1035–c. 1090), 1st feudal baron of Clare in Suffolk, was a Norman lord who participated in the Norman conquest of England...

Robert Fitz Richard (1064–1136) was an Anglo-Norman feudal baron of Little Dunmow, Essex and constable of Baynard's Castle in the City of London. His...

Robert FitzRoy, 1st Earl of Gloucester (c. 1090 – 31 October 1147) (alias Robert Rufus, Robert de Caen (Latinised to Robertus de Cadomo), Robert Consul)...

and Mabel FitzRobert of Gloucester, daughter of Robert Fitzhamon, and nephew of Empress Matilda. William FitzRobert was the son of Robert, 1st Earl of...

Robert fitz Martin (c. 10?? – c. 1159) was a knight from Devon whose father, Martin de Turribus, was the first Norman Lord of Kemes, in what had previously...

Robert Fitzhamon (died March 1107), or Robert FitzHamon (literally, "Robert, son of Hamon"), Seigneur de Creully in the Calvados region and Torigny in...

Alan fitz Flaad (c. 1060 – after 1120) was a Breton knight, probably recruited as a mercenary by Henry I of England in his conflicts with his brothers...

Walter Fitz Robert of Woodham Walter (c. 1124–1198), lord of Little Dunmow, Essex, was steward under Stephen of England, having succeeded to that position...

Monte Fitz Roy (also known as Cerro Chaltén, Cerro Fitz Roy, or simply Mount Fitz Roy) is a mountain in Patagonia, on the border between Argentina and...

Richard fitz Eustace (died circa 1163) was Constable of Chester and Baron of Halton within the County Palatine of Chester ruled by the Earl of Chester...

Robert FitzStephen (died 1183) was a Cambro-Norman soldier, one of the leaders of the Norman invasion of Ireland, for which he was granted extensive lands...

Robert Fitzooth (or Fitztooth), Earl of Huntingdon (alleged dates: 1160–1247), is a fictitious identity for Robin Hood. The name was first published in...

Robert fitz Wimarc (died before 1075, Theydon Mount, Ongar, Essex) was a kinsman of both Edward the Confessor and William of Normandy, and was present...

heir, Robert, additional land in Devonshire. From the patronymic of this Robert fitz Martin ("son of Martin") subsequent family members took 'fitz Martin'...

Mabel FitzRobert, Anglo-Norman noblewoman. William Fitz Robert, son of Sir Robert de Caen. William Fitz-Robert, Earl of Cornwall Robert FitzRobert, 1st Earl...

Robert FitzEdith, feudal lord of Okehampton (1093–1172) was an illegitimate son of Henry I of England and Edith Forne, who was a mistress of Henry I....

son Gilbert Fitz Richard de Clare (1055-1117), while a younger son, Robert Fitz Richard, would give rise to a lineage that became Barons FitzWalter, as...

alongside his older brother William FitzGerald, and half-brother Robert FitzStephen, constable of Cardigan, under Robert FitzMartin at the Battle of Crug Mawr...

Richard fitz Gilbert de Clare (died 15 April 1136) 3rd feudal baron of Clare in Suffolk, was an Anglo-Norman nobleman. A marcher lord in Wales, he was...

Robert fitz Walter, lord of Horsham was an English nobleman who served as the Sheriff of Norfolk and Suffolk. Robert's father, Walter de Caen (aka Walter...

had another two sons; the eldest was Robert Fitz-Stephen. Robert de Barry accompanied his half-uncle Robert Fitz-Stephen in the Norman invasion of Ireland...

from Plymouth Sound on 27 December 1831 under the command of Captain Robert FitzRoy. While the expedition was originally planned to last two years, it...

Robert FitzRanulf also known as Robert de Alfreton (c. 1117 – 1172) was a Saxon lord from Alfreton. He is notable for building a number of churches in...

William fitz Robert Barry (fl. 1615) was an Irish harper. His full name was William fitz Robert fitz Edmond Barry, that is, William son of Robert son of...

Baron FitzWalter is an ancient title in the Peerage of England. It was created on 24 June 1295 for Robert FitzWalter. The title was created by writ, which...

Sir Robert FitzEustace (c.1420–1486) was an Irish landowner and politician of the fifteenth century. He was born at Coghlanstown, County Kildare, son...

earls of Leicester. He is sometimes known as Robert FitzPernel. Robert was the eldest surviving son of Robert de Beaumont, 3rd Earl of Leicester and Petronilla...