page_title: William Ferrers, 3rd Baron Ferrers of Groby
hierarchical_section_title: William Ferrers, 3rd Baron Ferrers of Groby
context_page_description: William Ferrers, 3rd Baron Ferrers of Groby was a Leicestershire-based nobleman in fourteenth-century England who took part in some of the major campaigns of the first part of the Hundred Years' War. The eldest of two sons to Henry Ferrers, 2nd Baron Ferrers of Groby, he was ten years old when he succeeded his father to the Barony.
context_section_description: William Ferrers, 3rd Baron Ferrers of Groby (1333–1371) was a Leicestershire-based nobleman in fourteenth-century England who took part in some of the major campaigns of the first part of the Hundred Years' War. The eldest of two sons to Henry Ferrers, 2nd Baron Ferrers of Groby (d. 1343), he was ten years old when he succeeded his father to the Barony.
caption: Arms of Ferrers, Baron Ferrers of Groby: Gules, seven mascles or conjoined 3:3:1. These are the arms of de Quincy, adopted in lieu of his paternal arms (Vairy or and gules) by  William Ferrers, 1st Baron Ferrers of Groby (1272-1325).[1] He was the son and heir of Sir William de Ferrers (1240-1287) of Groby, the younger son of William de Ferrers, 5th Earl of Derby (by his second wife Margaret de Quincy, daughter and heiress of Roger de Quincy, 2nd Earl of Winchester (c.1195-1264)) who founded the line of Baron Ferrers of Groby, having been given Groby Castle by his mother Margaret de Quincy