Fitzwilliam family genealogy

Of Merrion, County Dublin

Arms: Gu. on a bend cotised ar. three popingays vert, beaked and legged gu. Crest: In front of a peacock’s tail ppr. a greyhound’s head erased ar. collared and spotted gu.

Sir Richard Fitswilliam, Knight (d. 6th March, 1595); m. Jane Plunket, and had:

  1. Sir Thomas, first Lord Fitzwilliam, created in 1629.
  2. Richard, “of the Rock.”

2. Richard Fitzwilliam, “of the Rock:” son of Sir Richard; mar. a daughter of Sir Thady Duff, and had:

3. William, who married Mary Plunket,[1] and had:

4. Thomas (died 1736), who m. Mary, dau. of Thomas Luttrell (No. 4 on the “Luttrell” pedigree, infra), and had:

  1. Richard, of whom presently.
  2. Alice (b. 1730), who married William Miller, No. 4 on the “Miller” pedigree, infra.

5. Richard Fitzwilliam: son of Thomas; was Governor of the Bahamas Islands, in 1732.


[1] Plunket: This Mary was daughter of Oliver Plunket, the third son of Plunket, Lord of Killeen. Oliver’s two elder brothers were:—1. Earl of Fingal; 2. Sir Nicholas Plunket.