Family and Education
b. 14 Aug. 1688, o.s. of Henry Horatio O’Brien, Ld. O’Brien (d.1690), and Lady Henrietta, da. Henry Somerset, duke of Beaufort. m. 14 June 1707, Lady Elizabeth (d.1734), da. Charles Seymour, 6th duke of Somerset, s.p. d. 20 Apr. 1741; will 14 Oct. 1738, pr. 1741. TNA, PROB 11/712.
Offices Held
PC [I] 1714.
Gov. co. Clare and co. Carlow 1714; ld. lt. Essex 1722 – d.
Parlimentarian
Volume
Lords 1660-1715
Will
Estates
Oxford 1644
No
Addresses
Religion
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