Yuri of Ryazan
Yuri Igorevich (; died December 21, 1237) also known as Yuriy Ingvarevich, was Grand Prince of Ryazan from 1235 to 1237, during the Mongol invasion of Rus'.

Life
According to The Tale of the Destruction of Ryazan, after receiving the envoys of Batu Khan in December 1237, he sent his son Fedor to negotiate with Batu, but the envoys were massacred for their defiance, the first Russian martyrs of the Mongol invasion of Rus'.

After sacrificing his son in defense of his homeland, Prince Yuri led his army in the Battle of Voronezh River and finally perished during the destruction of Ryazan.
He was succeeded by his nephew Ingvar Ingvarevich, who reigned until 1252.

In popular culture 
He is a supporting character in the Russian historical fantasy film Furious (2017). He is played by Russian actor Aleksei Serebryakov.

References 

1237 deaths
Grand Princes of Ryazan
Eastern Orthodox monarchs
13th-century monarchs in Europe
Sviatoslavichi family