Question: What is the date of birth of Robert Cecil (Mp For Old Sarum)'s father?
Sentence (from "William Cecil, 2nd Earl of Salisbury"): William Cecil, 2nd Earl of Salisbury, (28 March 1591 – 3 December 1668), known as Viscount Cranborne from 1605 to 1612, was an English peer, nobleman, and politician.
Relevant evidence: Yes