Jan II
       Heer van Wassenaer, Burggraaf van Leiden 
       Born 1483 
       Died 4 December 1523 Leeuwarden (in battle) 
       Married 20 July 1511 * 's-Gravenhage 
       Josina van Egmond, daughter of Jan "Manke Jan" van Egmond, 
       1.Graaf van Egmond and Graefin Magdalena von 
       Werdenberg-Sargans 
                 Children, Generation I

       Generation I 
            1  Maria van Wassenaer 
               Burggravin van Leiden 
               Died 1544 
               Married 9 September 1527 
               Comte Jacques de Ligne, Prince de Mortagne, son of Baron 
               Antoine I de Ligne, Prince de Mortagne and Philipotte de 
               Luxembourg 
               Died 1552 

            2  Margareta van Wassenaer 
               Died after 27 May 1556 
               Married 18 August 1534 * 
               Johann II von der Marck, Herr von der Marck, son of Johann 
               I von der Marck and Margarethe von Runkel 
               Died 15 December 1552 

                                   Source Listing 
                                    -------------- 

           Genealogie der Heren en Graven 
           van Egmond 
           Den Haag, 1958 
                                   by Dr. A. W. E. Dek 

           Europaeische Stammtafeln, 
           J.A. Stargardt Verlag 
           Marburg. 
                         by Detlev Schwennicke, Editor