John Leveson-Gower, Graf Gower 1694-1754
James Stuart, Graf von Bute 1680..1696-1723
x x
x x
Mary Pierrepont 1689-1762


















x x
x x
Granville Leveson-Gower, Markgraf von Stafford 1721-1803
x x
John Stuart, Graf von Bute 1713-1792
Mary Wortley-Montagu, Freifrau Mount Stuart 1718-1794


















Dudley Ryder, Graf von Harrowby 1762-1847
John Stuart, Markgraf von Bute 1744-1814
x x












Dudley Ryder, Graf von Harrowby 1798-1882
Frances Stuart †1859






Dudley Ryder, Graf von Harrowby 1831-1900
Note: Missing data can be supplemented and incorrect data corrected, please contact Geneee.