Baron Clermont
Thomas Fortescue was the son of Chichester Fortescue , member of the Irish House of Commons for Hillsborough , son of Thomas Fortescue , member of the Irish Parliament for Trim , son of Chichester Fortescue , MP for Trim , grandson of Chichester Fortescue , whose brother William Fortescue was the grandfather of the aforementioned William Fortescue , 1st Earl of Clermont ( see Viscount Clermont ) . 
<triplet> Chichester Fortescue <subj> Thomas Fortescue <obj> father <triplet> Thomas Fortescue <subj> Chichester Fortescue <obj> child <subj> Chichester Fortescue <obj> father <triplet> Chichester Fortescue <subj> Thomas Fortescue <obj> child