Olga's Gallery
Lucas Cranach the Elder.
Portrait of the Saxon Elector John the Constant.
1526. Oil on canvas. Alte Meister Gallerie, Dresden, Germany. More. 
John the Constant (or Johann the Steady) (1468-1532) Elector of Saxony, reigned since 1486 together with his brother Frederick the Wise (1463-1525), both brothers were enthusiastic supporters of Martin Luther, for his active and constant assistance of the reformers John got the name of the Constant