Adolf IV. von Kleve-Mark was born 2 August 1373 to Adolf III. von der Mark (?-1394) and Margarete von Jülich (-1425) and died 23 September 1448 of unspecified causes. He married Agnes von der Pfalz (1379-1401) 1400 JL . He married Marie of Burgundy (1393-1463) 1406 JL . Alfred the Great (849-899)/s, Charlemagne (747-814)/s, Henry II of England (1133-1189)/s, Hugh Capet (c940-996)/s, William I of England (1027-1087)/s, Rollo of Normandy (860-932)/s.