BiographyHenrietta Cavendish Holles was born 11 February 1694 in Welbeck Abbey, Nottinghamshire, England, United Kingdom to John Holles, 1st Duke of Newcastle (1662-1711) and Margaret Cavendish (1661-1716) and died 8 December 1755 of unspecified causes. She married Edward Harley, 2nd Earl of Oxford and Earl Mortimer (1689-1741) 31 October 1713 . Notable ancestors include Charlemagne (747-814), Henry II of England (1133-1189), William I of England (1027-1087), Hugh Capet (c940-996), Rurik (c832-879), Alfred the Great (849-899). Ancestors are from the United Kingdom, France, Germany, England, Russia, Ukraine, Belgium, Spain, Portugal, Israel, Ireland, Byzantium, Hungary, Netherlands, Belarus, the Byzantine Empire, Italy.
|Offspring of Edward Harley, 2nd Earl of Oxford and Earl Mortimer and Henrietta Cavendish Holles (1694-1755)|
|Margaret Cavendish Harley (1715-1785)||11 February 1715 Welbeck Abbey, Nottinghamshire, England, United Kingdom||17 July 1785 Bulstrode, Buckinghamshire, England, United Kingdom|| William Bentinck, 2nd Duke of Portland (1709-1762)|
|Henry Cavendish Harley (1725-1725)|