The Johann Cicero reference article from the English Wikipedia on 24-Jul-2004
(provided by Fixed Reference: snapshots of Wikipedia from wikipedia.org)

Johann Cicero

For people who check facts
John or Johann Cicero Hohenzollern , elector of Brandenburg was born 1455. He acceded in 1486 and died in 1499. His son was Joachim I Nestor, elector Brandenburg b 1484

Johann Cicero was the brother of Frederick V or Friedrich V of Ansbach