Question: Who is Thomas Percy (Bishop Of Norwich)'s paternal grandmother?
Sentence (from "Henry Percy, 2nd Baron Percy"): Henry Percy, 9th Baron Percy of Topcliffe, 2nd Baron Percy of Alnwick (1298–1352) was the son of Henry de Percy, 1st Baron Percy of Alnwick, and Eleanor Fitzalan, daughter of Sir Richard FitzAlan, 8th Earl of Arundel, and sister of Edmund FitzAlan, 9th Earl of Arundel.
Relevant evidence: Yes