1st Duke of Grafton

Charles Fitzroy, 2nd Duke of Grafton (and here),
Lord-Lieutenant of Ireland 1721-4,
mar Lady Henrietta Somerset and had issue:

Augustus Fitzroy, had issue:

1. Augustus Henry Fitzroy, 3rd Duke of Grafton (and here), born 1735,
   Prime Minister de facto 1766, de jure 1767-70,
   had issue:
   1. George Henry Fitzroy, 4th Duke of Grafton (see here).

   2. General Lord Charles FitzRoy, had issue:
      1. Vice-Admiral Robert FitzRoy, born 1805,
         Captain of the Beagle, on which Darwin sailed.

2. Charles FitzRoy, 1st Baron Southampton (see here),
   built Fitzroy Square, in an area now sometimes called Fitzrovia, central London,
   Fitzroy Square named after his grandfather the 2nd Duke.

• Named after the 1st Duke (NOT the 2nd Duke):
  • Grafton St, the "real" main street of Dublin
  • Duke St, off Grafton St (and hence The Duke pub)
  • Harry St, off Grafton St

• Named after the wife of the 2nd Duke:
  • Henrietta St, Dublin

• Almost every thoroughbred racehorse alive today has multiple lines tracing back to the horses bred by the 3rd and 4th Dukes, dating originally to the purchase by the 3rd Duke of Julia in 1763.
  • Thoroughbred Heritage
    • The Dukes of Grafton

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