I15406: William O'Brien 3rd Earl Of Inchiquin (

Murrough O¹Brien 1st Earl Of Inchiquin (OCT 1614 - 9 SEP 1674)	=	Elizabeth St. Leger ( - 22 MAY 1685)		Roger Boyle 1st Earl Of Orrery ( - )	=	.
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William O¹brien 2nd Earl Of Inchiquin ( - 1691)	=	Margaret Boyle ( - )
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William O'Brien 3rd Earl Of Inchiquin

Spouses of William O'Brien 3rd Earl Of Inchiquin

1	Mary Villiers
Father	Sir Edward Villiers ( - )

William O'Brien 3rd Earl Of Inchiquin and Mary Villiers had the following children

1	James O'brien M.P.

Descendants of William O'Brien 3rd Earl Of Inchiquin and Mary Villiers