Tycho Brahe as some had believed in his time. Tycho was born as heir to several of Denmark's most influential noble families and in addition to his immediate ancestry with the Brahe and the Bille families, he also counted the Rud, Trolle, Ulfstand, and Rosenkrantz families among his ancestors. Both of his grandfathers and all of his great grandfathers had served as members of the Danish king's Privy Council. His paternal grandfather and namesake Thyge Brahe was the lord of Tosterup Castle in Scania and died in battle during the 1523 Siege of Malmö during the Lutheran Reformation Wars. His maternal grandfather
Tycho Brahe in 1580, taught Count Wilhelm of Kassel and his astronomer Christoph Rothmann to build copies of Brahe's instruments without permission from Brahe. In turn, Craig, who had studied with Wittich, accused Brahe of minimizing Wittich's role in developing some of the trigonometric methods used by Brahe. In his dealings with these disputes, Tycho Brahe made sure to leverage his support in the scientific community, by publishing and disseminating his own answers and arguments. When Frederick died in 1588, his son and heir Christian IV was only 11 years old. A regency council was appointed to rule for the young prince-elect