| Earl Fitzwilliam | |
|---|---|
  Quarterly, 1st and 4th: Lozengy argent and gules (Fitzwilliam); 2nd and 3rd: sable, a chevron between three leopards' faces, or (Wentworth)[1] | |
| Creation date | 1716 (Ireland) 1746 (Great Britain) |
| Created by | George I (Ireland) George II (Great Britain) |
| Peerage | Peerage of Ireland Peerage of Great Britain |
| First holder | William Fitzwilliam, 3rd Baron Fitzwilliam |
| Last holder | Thomas Wentworth-Fitzwilliam, 10th Earl Fitzwilliam |
| Remainder to | Heirs male of the first earl's body lawfully begotten |
| Subsidiary titles | Viscount Milton Baron Fitzwilliam |
| Extinction date | 21 September 1979 |
| Former seat(s) | Wentworth Woodhouse Milton Hall |
| Motto | Appetitus rationi pareat ("Let your desires be ruled by reason")[1] |
Earl Fitzwilliam (or FitzWilliam) was a title in both the Peerage of Ireland and the Peerage of Great Britain held by the head of the Fitzwilliam family (later Wentworth-Fitzwilliam).[2]
- ^ a b Debrett's Peerage. 1862. p. 156. Retrieved 10 January 2017.
- ^ Brydges, Egerton Collins's Peerage of England; Genealogical, Biographical and Historical Vol. VIII (pp. 374–400) London: F.C. and J. Rivington, 1812.