Question: Who is the paternal grandmother of Piers Butler, 3Rd Viscount Galmoye?
Sentence (from "Piers Butler, 3rd Viscount Galmoye"): Piers Butler, 3rd Viscount Galmoye, otherwise Viscount Galmoy, (21 March 1652 – 18 June 1740) was an Anglo-Irish nobleman.
Relevant evidence: No