João O'Neill
João O'Neill ( in Irish Seán Ó Néill , in English Shane or John O'Neill; died 21 January 1788 ) , was the titular head of a branch of the Clanaboy O'Neill dynasty , whose family has been in Portugal since the 18th century . 
<triplet> João O'Neill <subj> 21 January 1788 <obj> date of death