Question: Who is John De Ferrers, 1St Baron Ferrers Of Chartley's paternal grandfather?
Sentence (from "John de Ferrers, 1st Baron Ferrers of Chartley"): John de Ferrers, 1st Baron Ferrers of Chartley (1271, Cardiff – 1312) was the son of Robert de Ferrers, 6th Earl of Derby and Alianore de Bohun, daughter of Humphrey de Bohun and Eleanor de Braose, and granddaughter of Humphrey de Bohun, 2nd Earl of Hereford.
Relevant evidence: Yes