Question: Who is Mervyn Tuchet, 2Nd Earl Of Castlehaven's paternal grandmother?
Sentence (from "George Tuchet, 1st Earl of Castlehaven"): He was created 1st Baron Audley of Orier (County Armagh) and 1st Earl of Castlehaven (County Cork) on 6 September 1616 in the Peerage of Ireland.
Relevant evidence: No