Question: Who is Charles O'Brien, 5Th Viscount Clare's paternal grandmother?
Sentence (from "Charles O'Brien, 5th Viscount Clare"): Due to the great service the O'Brien family had given to France, and having risked all, King Louis XIV made sure that the regiment was kept in the family, and appointed Lt. Col. Murrough O'Brien (of the Carrigonnell O'Brien's) as its commander until the minor Charles came of age.
Charles O'Brien and Charlotte Bulkeley had two children, Charles O'Brien, 6th Viscount Clare (27 Mar 1699 – 9 Sep 1761) and Henry O'Brien (b. 12 Feb 1701).
Relevant evidence: No