Question: Who is Mervyn Tuchet, 2Nd Earl Of Castlehaven's paternal grandmother?
Sentence (from "George Tuchet, 1st Earl of Castlehaven"): George Tuchet, 1st Earl of Castlehaven (c. 1551 – 1617), was the son of Henry Tuchet, 10th Baron Audley (died 1563) and his wife, née Elizabeth Sneyd.
Relevant evidence: Yes