Question: Do Philip Niarchos and John Moher have the same nationality?
Sentence (from "Philip Niarchos"): Philip Niarchos( alternately: Philippos or Philippe)( born 1954) is a Greek billionaire, the eldest son of the Greek shipping magnate Stavros Niarchos and Eugenia Livanos, herself the elder daughter of Stavros Niarchos' rival Stavros G. Livanos.
Relevant evidence: Yes