Question: Who is Thomas Fitzalan's paternal grandfather?
Sentence (from "John FitzAlan, 2nd Baron Arundel"): John FitzAlan, 2nd Baron Arundel, 2nd Baron Maltravers "jure matris", also called John de Arundel (30 November 1364 – 14 August 1390), of Buckland, Surrey, was the son of John FitzAlan, 1st Baron Arundel and Eleanor Maltravers.
Relevant evidence: Yes