Question: Who is John Tuchet, 8Th Earl Of Castlehaven's paternal grandmother?
Sentence (from "James Tuchet, 6th Earl of Castlehaven"): James Tuchet, 6th Earl of Castlehaven (died 12 October 1740) was the son of James Tuchet, 5th Earl of Castlehaven and his wife Anne Pelson.
Relevant evidence: Yes