:Thank you for this contribution and feel welcome to make these changes to the article, and many others. It was put together from several smaller articles scattered around Wikipedia by the editor responsible for the arms, but neither he nor I have specialist knowledge of the O'Neill dynasty. This is why I tagged the article. There are specialist/family editors who have visited Count of Tyrone but they have yet to make changes here. The O'Donnell dynasty have also received attention from specialists/family. 

 :I will myself add sometime today a basic infobox which anyone will be able to augment with whatever information and titles should be there.