Question: When is William Bentinck, 2Nd Duke Of Portland's father's birthday?
Sentence (from "William Bentinck, 2nd Duke of Portland"): William Bentinck, 2nd Duke of Portland (1 March 1709 – 1 May 1762), styled Viscount Woodstock from 1709 to 1716 and Marquess of Titchfield from 1716 to 1726, was a British peer and politician.
Relevant evidence: No