Question: Who is George Grey, 6Th Earl Of Stamford's paternal grandfather?
Sentence (from "George Grey, 5th Earl of Stamford"): The eldest son and heir of Harry Grey, 4th Earl of Stamford by his wife Lady Mary, only daughter and heiress of George Booth, 2nd Earl of Warrington, baptised on 21 October at Newtown Linford, Leicestershire.
Relevant evidence: Yes