Question: Who is the paternal grandfather of Lady Brigid Guinness?
Sentence (from "Rupert Guinness, 2nd Earl of Iveagh"): Rupert Edward Cecil Lee Guinness, 2nd Earl of Iveagh, (29 March 1874 – 14 September 1967) was an Anglo-Irish businessman, politician, oarsman and philanthropist.
Relevant evidence: No