Question: What is the date of death of Margaret Holles, Duchess Of Newcastle-Upon-Tyne's father?
Sentence (from "Henry Cavendish, 2nd Duke of Newcastle"): Henry Cavendish, 2nd Duke of Newcastle-upon-Tyne, KG, PC (24 June 1630 – 26 July 1691), styled Viscount Mansfield until 1676, was an English politician who sat in the House of Commons from 1660 to 1676, and then inherited the dukedom.
Relevant evidence: Yes