Mateo Ružić
Mateo Ružić( born 16 August 1994) is a Croatian sprinter specialising in the 400 metres.
He has represented his country at two outdoor and two indoor European Championships.
John Blunden (politician)
John Blunden( c. 1695 – 8 January 1752) was an Irish politician.
He was named after his father and entered the Irish House of Commons in 1727, sitting for Kilkenny City until his death in 1752.
Blunden married Martha Cuffe, only surviving daughter of Agmondesham Cuffe and sister of John Cuffe, 1st Baron Desart and had by her five sons.
His only surviving son John succeeded his father as Member of Parliament.
David Ji
David Longfen Ji is an American businessman who co-founded Apex Digital, an electronics manufacturer.
In 2004, he was arrested in China following a dispute with Sichuan Changhong Electric, a supplier owned by the city of Mianyang and the province of Sichuan.
Changhong accused him of defrauding them through bad checks.
Ji was taken, according to an account by his lawyer, to the senior management and told, "I decide whether you live or die."
He has been held in China without charges.
Ji's case highlighted an "implicit racism" in dealings with American businessmen.
As a U.S. citizen he was not granted the same treatment by authorities as non-ethnically Chinese businessmen sharing the same nationality.
Late Fragment
Late Fragment is a 2007 Canadian interactive cinema production, written and directed by Daryl Cloran, Anita Doron and Mateo Guez.
It is North America's first interactive feature film.
The project is a co-production of Canadian Film Centre and the National Film Board of Canada.
Hungry Tree
The Hungry Tree is a tree in the grounds of the King's Inns in Dublin, Republic of Ireland.
An otherwise unremarkable specimen of the London plane, it has become known for having partially consumed a nearby park bench.
It has become a tourist attraction and is frequently photographed.
The Hungry Tree was the subject of a campaign by Green Party politician Ciarán Cuffe to ensure its preservation.
Jasper Hill Farm
Jasper Hill Farm is an artisan cheesemaker in Greensboro, Vermont, owned and operated by Andy and Mateo Kehler.
Ciarán Cuffe
Ciarán Cuffe( born 3 April 1963) is an Irish politician who has been a Member of the European Parliament( MEP) from Ireland for the Dublin constituency since July 2019.
He is a member of the Green Party, part of the European Green Party.
He previously served as Minister of State for Horticulture, Sustainable Travel, Planning and Heritage from 2010 to 2011.
He was a Teachta Dála( TD) for the Dún Laoghaire constituency from 2002 to 2011.
Éric Vuillard
Éric Vuillard( 4 May 1968, Lyon) is a French writer and film director.
He has made two films," L'homme qui marche" and" Mateo Falcone", the latter based on a story by Prosper Merimee.
He is the author of" Conquistadors"( 2009) which won the Prix de l'inaperçu in 2010.
He won the Prix Goncourt in 2017 for" L' Ordre du jour".
His other works include:
John Blunden (politician)
John Blunden( c. 1695 – 8 January 1752) was an Irish politician.
He was named after his father and entered the Irish House of Commons in 1727, sitting for Kilkenny City until his death in 1752.
Blunden married Martha Cuffe, only surviving daughter of Agmondesham Cuffe and sister of John Cuffe, 1st Baron Desart and had by her five sons.
His only surviving son John succeeded his father as Member of Parliament.
Héctor Gutiérrez Ruiz
Héctor Gutiérrez Ruiz( 1934, Montevideo – May 20, 1976, Buenos Aires) was a Uruguayan political figure, who died by assassination in the framework of Operation Condor.
He was married to Matilde Rodriguez Larreta and had five children: Marcos, Juan Pablo, Magdalena, Facundo and Mateo.

Question: Did Ciarán Cuffe and Mateo Ružić have the same nationality?
Answer: no