Margaret O'Brien |
Margaret O'Brien<br>Gender: Female<br>Birth: 1661 - Cork, Cork, Ireland<br>Death: 1688<br>Parents: Sir William O’Brien, Lady Margaret O’Brien (born Boyle)<br>Siblings: Willem O’Brien, William Lawrence O'Brien, Mary O'Brien</a>, Henry O'Brien, James O'Brien<br> Additional information:
LifeSketch: According to this she never married: https://en.wikisource.org/wiki/Dictionary_of_National_Biography,_1885-1900/O%27Brien,_William_(1638%3F-1692)
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