John I, Duke of Cleves
John I, Duke of Cleves, Count of Mark (16 February 1419 – 5 September 1481). Jean de Belliqueux (warlike), was Duke of Cleves and Count of Mark.
John I, Duke of Cleves
16 February 1419
5 September 1481
(aged 62)On 22 April 1455, John married Elizabeth of Nevers, daughter of John II, Count of Nevers.[5] They had: