Jan Jiskra z Brandýsa, in English sometimes referred as John Giskra, was a Czech strategist and mercenary soldier.
Jan Jiskra came from the Moravian branch of the noble family Páni z Brandýsa, he was possibly a son of Alšík z Brandýsa.
Jiskra spent his youth in Bohemia and partially also in Italy, where he – according to several sources – attended the battles of the Republic of Venice. In the Czech lands he became familiar with Hussite war strategies. Following the Battle of Lipany Jiskra, together with other Hussite soldiers, joined the army of Emperor Sigismund of Luxembourg and fought with Turkish troops in the region of Belgrade.
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