Mallory Horne
Mallory E. Horne( April 17, 1925 – April 30, 2009) was the Speaker of the Florida House of Representatives, and President of the Florida Senate, becoming the third person in state history to do so, after Ion Farris and Philip Dell.
Cameron Palatas
Cameron Palatas( born February 23, 1994, in San Pedro, California, United States), is an American actor.
He is the brother of the actor Nick Palatas and Philip Palatas.
Ian Rawlings
Ian Rawlings( born 9 March 1959) is a Logie award winning Australian actor.
Best known for his roles in soap operas as Wayne Hamilton in Sons and Daughters and Philip Martin in Neighbours
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.
Zelda Harris
Zelda Harris( born February 17, 1985) is an American actress.
Harris was born in New York City, New York to Karen and Philip Harris.
She has a sister, Kenya.
She attended Princeton University, where she was a member of the Class of 2007.
Robin Estridge
Robin Estridge, a.k.a. Robin York and Philip Loraine( 1 May 1920 – 24 October 2002) was a British author of suspense fiction and screenwriter.
Nico Helminger
Nico Helminger( born 1953) is a Luxembourg author who has written poetry, novels, plays and libretti for operas.
In 2008, he was awarded the Batty Weber Prize for his literary work.
Anthony Ramos (actor)
Anthony Ramos Martinez( born November 1, 1991) is an American actor and singer.
In 2015, he originated the dual roles of John Laurens and Philip Hamilton in the Broadway musical" Hamilton".
João Baptista Lavanha
João Baptista Lavanha( c. 1550- 31 March 1624) was a Portuguese cartographer, mathematician and geographer in the service of the Spanish kings Philip II and Philip III.
Philip Trajetta
Philip Trajetta( Filippo Traetta)( January 8, 1777 – January 9, 1854) was an Italian- born American composer and music teacher.
The son of Italian composer Tommaso Traetta, in 1800 he moved as a political refugee to the United States, where he had a successful musical career as a composer and one of the founders of music conservatories in Boston( 1801), New York( 1812), and Philadelphia( 1828).

Question: Are Nico Helminger and Philip Trajetta of the same nationality?
Answer: no