João da Silva Feijó
João da Silva Barbosa or João da Silva Feijó, (1760 Rio de Janeiro – 1824), was a naturalist, mineralogist and Portuguese soldier, born in Brazil.
João da Silva Feijó studied philosophy and mathematics at the University of Coimbra and adopted the name Feijó in homage to Benito Jerónimo Feijoo, Spanish philosopher, who at the time was respected among natural history students.
In 1778, the Italian professor, Domenico Agostino Vandelli, was part of a group that founded the Natural History Museum in Lisbon.
João da Silva was part of this group with Alexandre Rodrigues Ferreira, Manuel da Silva Galvão and Joaquim José da Silva.
The feijoa, a tree that bears green fruits similar to guavas, is named after him.
Mateus da Silva
Mateus da Silva( born 30 August 1991) is a Brazilian footballer who plays for CRB on loan from Tombense.
José Luandino Vieira
José Luandino Vieira( born José Vieira Mateus da Graça on 4 May 1935) is an Angolan writer of short fiction and novels.
José Silva (footballer, born 1905)
José da Silva was a Portuguese footballer.
Chica da Silva
Francisca da
Silva de Oliveira( c. 1732- 1796), known in history by the name Chica da Silva whose romanticized version/ character is also known by the spelling" Xica da Silva" was a Brazilian woman who became famous for becoming rich and powerful despite having been born into slavery.
Her life has been a source of inspiration for many works in television, films, music, theater and literature.
She is popularly known as" the slave who became a queen".
The myth of Chica da Silva is often conflated with the historical accounts of Francisca da Silva de Oliveira.
Luís André da Silva
Luís André da Silva or simply Da Silva( born 3 March 1972) is a former Brazilian football player.
Da Silva and Mario dos Santos Júnior were the first Brazilian players in the Russian Football Premier League when they joined FC Lokomotiv Nizhny Novgorod in 1995.
Vince Da Silva
Vincent Da Silva is a retired American soccer goalkeeper who played professionally in the United States and Portugal.
Da Silva was a member of the Santa Clara Sporting Club in his youth.
In 1988, he played for the San Jose Earthquakes in the Western Soccer Alliance.
That season, the F.C. Seattle Storm crushed the Earthquakes, 5- 0, in the championship game.
Da Silva came on in the 73rd minute for starter Aram Kardzair and kept a clean sheet for the rest of the game.
In 1989, he played for Real Santa Barbara.
In 1992, Da Silva had the lowest goals against average in the USISL while playing for the Palo Alto Firebirds.
Da Silva was All League and the Firebirds won the league title.
In 1993, Da Silva was All League for the second year in a row with the Firebirds.
That fall, he moved to Porgugal to sign with F.C. Alverca in the Segunda Divisão de Honra.
Matty Matthews
William" Matty" Matthews( July 13, 1873 – December 6, 1948) was an American boxer of the early 20th century born and raised in New York City.
He was the world welterweight champion twice between 1900 and 1901, and was one of the first boxing world champions to regain his crown.
Johnny Dunn, also known as a sports announcer, was his primary manager, particularly during his reign as world welterweight champion.
Moäng Ratu Dona Ines Ximenes da Silva of Flores
" Moäng Ratu" Dona Ines Ximenes da Silva of Flores, in present- day Indonesia,( fl. c. 1700), was the lady sovereign of the island- principality of Flores, and a member of the Portuguese Ximenes da Silva ruling family.
This long- lived dynasty continued to rule over the island until 1952 and continued as civil rulers until 1960 over Sikka.
Mateus Borelli
Mateus da Silva Santos Borelli( born October 19, 1993), known as Mateus Borelli, is a Brazilian footballer who plays for Almirante Barroso as midfielder.

Question: Were Matty Matthews and Mateus Da Silva of the same nationality?
Answer: no