Jan was a Hungarian nobleman and military general in the second half of the 11th century. He played a decisive role in the royal campaign against the Byzantine Empire in 1071.
Jan was a Hungarian nobleman and military general in the second half of the 11th century. He played a decisive role in the royal campaign against the Byzantine Empire in 1071. (en)
Jan was a Hungarian nobleman and military general in the second half of the 11th century. He played a decisive role in the royal campaign against the Byzantine Empire in 1071. (en)