In 1324 , Butler was created Baron Dunboyne by prescription .
A century later , Thomas Butler , son of Theobald Butler , 4th Chief Butler of Ireland , married Sinolda , heiress of William le Petit .
In 1324 , son was created Baron Dunboyne by prescription .
A century later , Thomas Butler , son of Theobald Butler , 4th Chief Butler of Ireland , married Sinolda , heiress of William le Petit .