Leon Trotsy, born Lev Davidovich Bronstein, 1879-1940. Russian revolutionary.
He joined the bol'sheviks in 1917 and worked with Lenin to organise the October Revolution. He was active also in building the Red Army that eventually defeated the White Russian forces in the Russian Civil War.
He quarrelled with Stalin after Lenin's death and was defeated in a power struggle, being expelled from the Communist Party in 1927 and exiled in 1929.
He settled in Mexico in 1937 where he was murdered by a Stalinist agent.
Leon Trotsky (1879-1940) qualifies as such.
Mexico
Lenin was never exiled from Germany. He had been living in exile in Switzerland but it was from Russia not Germany. After the February Russian Revolution, Germany helped Lenin return to Russia from Switzerland through Germany and Finland. Lenin wasn't being exiled from Switzerland or Germany. He was being returned to Russia to foment revolution so as to get Russia out of World War 1.
Most of the family was killed during the Russian Revolution including the last Tsar and his immediate family. The surviving family were exiled from Russia after the Revolution
No Russian Czars were ever exiled to Siberia. Tsar Nicholas II abdicated the throne and was moved around from place to place until he and his family were executed in Ekaterinburg, Russia. He was never exiled to Sibere.
Leon Trotsky was exiled by Stalin, who later had a Soviet agent murder him in Mexico City, Mexico in 1940.
After he was exiled, Leon Trotsky never returned to power. He was murdered while in Mexico.
The US and Mexico
Leon Trotsky was the leader and organizer of the Red Army who was exiled to Turkey at first and wound up in Mexico after being in France and then Norway.
Vladmir lenin went to Finland after being exiled in Russia
Josef Stalin
Depends on if he got caught. But the wife was normally exiled or beheaded.