Question: Who is William Crosbie, 1St Earl Of Glandore's paternal grandmother?
Sentence (from "Maurice Crosbie, 1st Baron Brandon"): His descendants became substantial landowners in Kerry: the senior branch were the Crosbie baronets, the last of whom, Sir Edward Crosbie, was executed for treason as a United Irishman in 1798.
Relevant evidence: No