Lady Honora O'Brien Peerage person ID=147203 (b. 1644) Parents Murrough O'Brien, 1st Earl of Inchiquin Elizabeth St. Leger Children William Bourke Richard Bourke John Bourke Siblings Lady Mary O'Brien Charles O'Brien Lady Elizabeth O'Brien John O'Brien William O'Brien, 2nd Earl of Inchiquin Partners Theobald Bourke, 3rd Baron Bourke of Brittas