two names of   Rosenkrans   and  Gyldenstern   stand out because of the pair of Shakespearean characters  (Rosencrantz & Guildenstern)  in the  Tragedy of Hamlet , prince of Denmark ,  which  William Shakespeare  (1564-1616)  wrote around 1601   (the year Brahe died). The relevant ancestors of Tycho Brahe   (ahnentafels