Vasily Helmersen
Wilhelm Paul Christian Nikolai von Helmersen( tr.; August 23, 1873 – December 9, 1937) was a Baltic German artist and book illustrator.
He is known mostly for his illustrations to" Eugene Onegin".
Ludwig Martens
Ludwig Christian Alexander Karl Martens( or Ludwig Karlovich Martens;; − 19 October 1948) was a Russian revolutionary, Soviet politician and engineer.
Charles Alexander, Grand Duke of Saxe-Weimar-Eisenach
Charles Alexander (Karl Alexander August Johann; 24 June 1818 – 5 January 1901) was the ruler of Saxe-Weimar-Eisenach as its grand duke from 1853 until his death.
Mark Brandis
Nikolai von Michalewsky( a.k.a. Mark Brandis)
( January 17, 1931 – December 27, 2000) was a German writer and journalist best known for a series of science fiction novels published between 1970 and 1987.
Petra Papp
Petra Papp( born 22 August 1993) is a Hungarian chess player who holds the title of Woman grandmaster( WGM, 2012).
Dorothea Lieven
Katharina Alexandra Dorothea Fürstin von Lieven( tr.), née Freiin von Benckendorff, 17 December 1785 – 27 January 1857), was a Baltic- German noblewoman and the wife of Prince Christoph Heinrich von Lieven, who served as the Russian ambassador to London between 1812 and 1834.
She became an influential figure among many of the diplomatic, political, and social circles of 19th- century Europe.
Karl Roll
Karl Nikolai Roll( 14 March 1868 – 30 September 1958) was a Norwegian sports official, skier and military officer.
Sergey Grigoriants
Sergey Mikhailovich Grigoriants , born in Tashkent, 2 November 1983, is a Russian chess player, who was awarded the title of Grandmaster in 2003.
In 2005, Grigoriants attained the title of Moscow Champion.
In 2018 he married the Hungarian Woman Grandmaster Petra Papp.
Karl Nikolai von Nolcken
Karl Nikolai von Nolcken( February 2, 1830( Köljal/ Kõljala, Ösel)- January 22, 1913( Kuressaare, Ösel was a Baltic German pastor, translator, linguist and folklorist.
Alexander Karl Nikolai von Lieven
Alexander Karl Nikolai Prince von Lieven (Alexander Alexnadrovich Liven; 7 July 1860 – 23 February 1914) was a vice admiral in the Imperial Russian Navy.

Question: Did Petra Papp and Alexander Karl Nikolai Von Lieven share the same nationality?
Answer: no