Fyodor Sergeyev
Fyodor Andreyevich Sergeyev( March 19, 1883 – July 24, 1921), better known as Comrade Artyom, was a Russian revolutionary, Soviet politician, agitator, and journalist.
He was a close friend of Sergei Kirov and Joseph Stalin.
Sergeyev was an ideologist of the Donetsk- Krivoy Rog Soviet Republic.
Biser Kirov
Biser Hristov Kirov( 4 September 1942 – 6 November 2016) was a Bulgarian pop singer and tenor, who was called in the press the most popular Bulgarian in the USSR.
Kirov called Russia his creative homeland.
John of la Rochelle
John of la Rochelle, O.F.M.( also known as Jean de La Rochelle, John of Rupella, and Johannes de Rupella; 1200 – 8 February 1245), was a French Franciscan and theologian.
Lacordaire
Several people share the surname Lacordaire:
John of Paris
John of Paris( in French" Jean de Paris"), also called Jean Quidort and Johannes de Soardis( c. 1255 – September 22, 1306) was a French philosopher, theologian, and Dominican friar.
Jan Vermeer van Utrecht
Jan Vermeer van Utrecht( 16 February 1630( bapt.) – c. 1696) was a Dutch Golden Age painter.
Though he was born near Delft, there is no known relation between this painter and Johannes Vermeer.
Leonard Borwick
Leonard Borwick (26 February 1868 – 15 September 1925) was an English concert pianist especially associated with the music of Robert Schumann and Johannes Brahms.
Johannes Heisig
Johannes Heisig( born 23 April 1953 in Leipzig, East Germany) is a German painter and graphic artist.
His work combines the tradition of German socialist realism with a subjective expressionism.
He portrayed several famous German politicians such as Willy Brandt, Johannes Rau and former Finance Minister Peer Steinbrück.
The artist is represented by galerie son, Berlin.
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.
Bassano Politi
Bassano Politi( ... – 16th century) was an Italian mathematician.
He collected works by Thomas Bradwardine, Nicolas d' Oresme, Biagio Pelacani, and Johannes de Casali.

Question: Did Biser Kirov and Johannes Heisig share the same nationality?
Answer: no