Leonid Maykov
Leonid Nikolaevich Maikov( 1839, Saint Petersburg – 1900, Saint Petersburg) was a prominent researcher in the history of Russian literature, a full member of the Saint Petersburg Academy of Sciences, president of the Russian Bibliological Society, Privy Councillor; the son of the painter Nikolay Maykov, the younger brother of Apollon, Valerian and Vladimir Maykov.
Anisopus
Several genera share the name Anisopus:
Dugès
Several people share the surname Dugès:
Gregorio Marañón
Gregorio Marañón y Posadillo, OWL( 19 May 1887 in Madrid – 27 March 1960 in Madrid) was a Spanish physician, scientist, historian, writer and philosopher.
He married Dolores Moya in 1911, and they had four children( Carmen, Belén, María Isabel and Gregorio).
Gregorio Fontén
Gregorio Fonten( born April 15, 1983, Santiago, Chile) is the artistic or stage name of Gregorio Fontaine Correa, a Chilean multi-instrumentalist musician, composer, visual artist and poet.
Foulden
Several localities share the name Foulden:
Lacordaire
Several people share the surname Lacordaire:
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.
George Augustus
Multiple people share the name George Augustus:
Leandro Fernández (historian)
Leandro Heriberto Caballero Fernandez, also known as Leandro H. Fernandez,( March 13, 1889 – 1948) was a Filipino historian who will serve as a precursor for later historians in the ranks of Teodoro Agoncillo and Gregorio F. Zaide.
He is well known for being the first Filipino chairperson of the University of the Philippines Department of History.
Notable among his works is" A Brief History of the Philippines", a textbook for Grade 7 students during the American period.

Question: Did Leonid Maykov and Gregorio Fontén share the same nationality?
Answer: no