Althorp (Viscountcy)
A peerage of the Kingdom of Great Britain.
Letters patent issued on Fri 1st Nov 1765
To John Spencer as Hereditary peerage subsidiary to another created by the same letters patent.
Holders
| Number | Surname | Forenames | Held from | Held to |
|---|---|---|---|---|
| 1st | Spencer | John | Fri 1st Nov 1765 | Fri 31st Oct 1783 |
| 6th | Spencer | Charles Robert | Sat 13th Aug 1910 | Tue 26th Sep 1922 |
| 8th | Spencer | Edward John | Mon 9th Jun 1975 | Sun 29th Mar 1992 |
| 9th | Spencer | Charles Edward Maurice | Sun 29th Mar 1992 | - |