On 03 Feb 1971 Joseph Yorke 10th Earl of Hardwicke was born to Philip Yorke Viscount Royston.
On 31 Dec 1974 [his grandfather] Philip Grantham Yorke 9th Earl of Hardwicke 1906-1974 (age 68) died. His grandson Joseph Yorke 10th Earl of Hardwicke (age 3) succeeded 10th Earl Hardwicke, 10th Viscount Royston.
Paternal Family Tree: Yorke
Kings Wessex: Great x 28 Grand Son of King Edmund "Ironside" I of England
Kings Gwynedd: Great x 24 Grand Son of Owain "Great" King Gwynedd 1100-1170
Kings Seisyllwg: Great x 29 Grand Son of Hywel "Dda aka Good" King Seisyllwg King Deheubarth
Kings Powys: Great x 25 Grand Son of Maredudd ap Bleddyn King Powys 1047-1132
Kings England: Great x 18 Grand Son of King Edward III of England
Kings Scotland: Great x 20 Grand Son of Robert "The Bruce" I King Scotland
Kings Franks: Great x 24 Grand Son of Louis VII King Franks
Kings France: Great x 20 Grand Son of Philip "The Fair" IV King France
Great x 4 Grandfather: Admiral Joseph Sydney Yorke
Great x 3 Grandfather: Charles Yorke 4th Earl of Hardwicke 1799-1873
Great x 4 Grandmother: Elizabeth Weake Rattray
Great x 2 Grandfather: John Manners Yorke 7th Earl of Hardwicke 1840-1909 14 x Great Grand Son of King Edward III of England
Great x 4 Grandfather: Thomas Liddell 1st Baron Ravensworth 14 x Great Grand Son of King Edward III of England
Great x 3 Grandmother: Susan Liddell Countess Hardwicke 1810-1886 13 x Great Grand Daughter of King Edward III of England
Great x 4 Grandmother: Maria Susannah Simpson Baroness Calthorpe 12 x Great Grand Daughter of King Edward III of England
Great x 1 Grandfather: Alfred Ernest Yorke 15 x Great Grand Son of King Edward III of England
GrandFather: Philip Grantham Yorke 9th Earl of Hardwicke 1906-1974 16 x Great Grand Son of King Edward III of England
Father: Philip Yorke Viscount Royston 17 x Great Grand Son of King Edward III of England
Joseph Yorke 10th Earl of Hardwicke 1971- 18 x Great Grand Son of King Edward III of England