Ben Boswell
Benjamin F. Boswell( March 4, 1910 – May 30, 1968) was an American football offensive lineman in the National Football League for the Portsmouth Spartans and Boston Redskins.
Born in Fort Worth, Texas, he played college football at Texas Christian University.
Kawamura Sumiyoshi
Count, was an admiral in the Imperial Japanese Navy.
Kawamura's wife Haru was the aunt of Saigō Takamori.
John Rigby (rower)
John Brian Freeman Rigby (7 April 1906 – 19 June 1975) was a New Zealand rower.
At the 1938 British Empire Games he won the silver medal as part of the men's coxed four.
He was a member of the Petone Rowing Club, and his team members in the 1938 boat were Jim Clayton (stroke), Albert Hope, Kenneth Boswell, and George Burns (cox).
Rigby died on 19 June 1975, and his ashes were buried at Karori Cemetery, Wellington.
Dugès
Several people share the surname Dugès:
Andrew Crosbie
Andrew Crosbie of Holm FRSE FSA( Scot)( 1736- 1785) was a Scottish lawyer and antiquarian, and a notable figure of the Scottish Enlightenment.
He was a close friend and companion of James Boswell and co-wrote the legal song" The Justiciary Opera", sung by generations of Scottish advocates, with him.
Lacordaire
Several people share the surname Lacordaire:
Mary Morris Knowles
Mary Morris Knowles( 1733 – 1807), was an English Quaker poet and abolitionist.
She spoke out in favour of choosing her own spouse, argued on behalf of scientific education for women, helped develop a new form of needle painting, confronted Samuel Johnson, defied James Boswell, and supported abolition of the slave trade and slavery.
She published several works under her maiden name, Morris.
Battle of Shiroyama
The took place on 24 September 1877, in Kagoshima, Japan.
It was the final battle of the Satsuma Rebellion, where the heavily outnumbered samurai under Saigō Takamori made their last stand against Imperial Japanese Army troops under the command of Generals Yamagata Aritomo and Kawamura Sumiyoshi.
The battle culminated in the annihilation of Saigō's army as well as his death, marking the end of the Satsuma Rebellion.
Steven Cottle
Steven Cottle( born 24 August 1984) is a New Zealand rower.
In 2006 Cottle was selected as the number two oarsman in the New Zealand coxed four, alongside James Dallinger, Paul Gerritsen, Dane Boswell and cox Daniel Quigley.
They won gold at the FISA Under 23 World Championships also setting a new World record time of 6.03 in Hazewinkel, Belgium and bronze at the World Championships in Eton, UK.
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.

Question: Did Ben Boswell and Kawamura Sumiyoshi share the same nationality?
Answer: no