Murrough O'Brien, 1st Earl of Inchiquin Irish soldier (1614–1674) Parents Ellen FitzGerald Dermod O'Brien, 5th Baron Inchiquin Children William O'Brien, 2nd Earl of Inchiquin Lady Honora O'Brien Charles O'Brien Lady Elizabeth O'Brien Lady Mary O'Brien John O'Brien Siblings Honora O'Brien Christopher O'Brien Henry O'Brien Mary O'Brien Partners Elizabeth St. Leger
