Hermann Beckler
Dr. Hermann Beckler( born 28 September 1828 in Höchstädt an der Donau; died 10 December 1914 in Fischen im Allgäu) was a German doctor with an interest in botany.
He went to Australia to collect specimen for Ferdinand von Mueller and served as medical officer and botanist for the Victoria Exploring Expedition( better known as the Burke and Wills expedition) in 1860.
Doreen Elliott
Doreen Elliott( 1908- 1966) is a British skier.
She was a co-founder of the Ladies' Ski Club and rose to be its president.
John Sylvester
John Sylvester (1904 – July 26, 1990) was an officer in the United States Navy who served from the 1930s to the 1960s and rose to the rank of Vice Admiral.
Chevie Kehoe
Chevie O'Brien Kehoe (born January 29, 1973) is an American white supremacist and convicted murderer.
He is serving three consecutive life sentences for the kidnapping, torture, and murder of William Mueller and his family.
Daniel Lewis Lee was also convicted for his role in the Mueller murders, and was sentenced to death in spite of pleas for clemency and exoneration from the Muellers' family members.
Gabriel Barbier-Mueller
Gabriel Barbier- Mueller is the founder and CEO of Harwood International.
Gabriel was born and raised in Geneva, Switzerland.
He came to Dallas in 1979 and graduated from Dallas's Southern Methodist University.
He married Texan Ann Smith.
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.
Susan Irvine
Susan Irvine( 1928–2019) was an Australian educator, author and rose authority.
Nikolaos Votsis
Nikolaos Votsis( 1877 – 1931) was a Greek naval officer who distinguished himself during the Balkan Wars and rose to the rank of Rear Admiral.
Rose Warfman
Rose Warfman( née Gluck; 4 October 1916 – 17 September 2016) was a French survivor of Auschwitz and member of the French Resistance.
Robert Edward Francillon
Robert Edward Francillon( 1841–1919) was an English journalist and author.
He was active in newspapers and periodicals the later decades of the 19th century and rose to be managing editor of" The Globe".

Question: Were Gabriel Barbier-Mueller and Rose Warfman of the same nationality?
Answer: no