Assuming I did this right:
Ernest Henry Shackleton Sir (1874 - 1922)
is my 8th cousin 5x removed
Henry Shackleton (1847 - 1921)
father of Ernest Henry Shackleton Sir
Ebenezer Shackleton (1784 - 1856)
father of Henry Shackleton
Abraham Shackleton (1752 - 1818)
father of Ebenezer Shackleton
Richard Shackleton (1726 - 1792)
father of Abraham Shackleton
Abraham Shackleton (1696 - 1771)
father of Richard Shackleton
Richard Shackleton (1643 - 1705)
father of Abraham Shackleton
Roger Shackleton (1616 - 1677)
father of Richard Shackleton
John Shackleton (1584 - 1634)
father of Roger Shackleton
Rodger Shackleton (1555 - 1597)
father of John Shackleton
William Shackleton (1586 - 1629)
son of Rodger Shackleton
Roger Shackleton (1609 - 1636)
son of William Shacleden Shackleton
John Shackleton (1635 - )
son of Roger Shackleton
Roger Shackleton (1663 - 1732)
son of John Shackleton
John SHACKLETON (1687 - 1733)
son of Roger Shackleton
Christopher SHACKLETON (1723 - 1746)
son of John SHACKLETON
Agnes (Nancy) SHACKLETON (1760 - 1836)
daughter of Christopher SHACKLETON
Stephen Longstroth (1788 - 1861)
son of Agnes (Nancy) SHACKLETON
Nanny Longstroth (1828 - 1911)
daughter of Stephen Longstroth
Alice Ann Richards (1849 - 1940)
daughter of Nanny Longstroth
Willard Richards Smith (1872 - 1951)
son of Alice Ann Richards
Maud Smith (1898 - 1990)
daughter of Willard Richards Smith
Sheril Dale Burton (1935 - )
son of Maud Smith
Daniel Paul Burton
son of Sheril Dale Burton
Ernest Henry Shackleton Sir (1874 - 1922)
is my 8th cousin 5x removed
Henry Shackleton (1847 - 1921)
father of Ernest Henry Shackleton Sir
Ebenezer Shackleton (1784 - 1856)
father of Henry Shackleton
Abraham Shackleton (1752 - 1818)
father of Ebenezer Shackleton
Richard Shackleton (1726 - 1792)
father of Abraham Shackleton
Abraham Shackleton (1696 - 1771)
father of Richard Shackleton
Richard Shackleton (1643 - 1705)
father of Abraham Shackleton
Roger Shackleton (1616 - 1677)
father of Richard Shackleton
John Shackleton (1584 - 1634)
father of Roger Shackleton
Rodger Shackleton (1555 - 1597)
father of John Shackleton
William Shackleton (1586 - 1629)
son of Rodger Shackleton
Roger Shackleton (1609 - 1636)
son of William Shacleden Shackleton
John Shackleton (1635 - )
son of Roger Shackleton
Roger Shackleton (1663 - 1732)
son of John Shackleton
John SHACKLETON (1687 - 1733)
son of Roger Shackleton
Christopher SHACKLETON (1723 - 1746)
son of John SHACKLETON
Agnes (Nancy) SHACKLETON (1760 - 1836)
daughter of Christopher SHACKLETON
Stephen Longstroth (1788 - 1861)
son of Agnes (Nancy) SHACKLETON
Nanny Longstroth (1828 - 1911)
daughter of Stephen Longstroth
Alice Ann Richards (1849 - 1940)
daughter of Nanny Longstroth
Willard Richards Smith (1872 - 1951)
son of Alice Ann Richards
Maud Smith (1898 - 1990)
daughter of Willard Richards Smith
Sheril Dale Burton (1935 - )
son of Maud Smith
Daniel Paul Burton
son of Sheril Dale Burton