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
Gellio Sasceride erat splendidum" ("[my] debut was excellent"). In 1590, Sasceride had sent to Galileo the only copy of a book until then found in Italy detailing the heliocentric system. The crater Sasserides on the Moon is named after him. It lies near Tycho, named after Tycho Brahe. Gellio Sasceride Gellio Sasceride (Sasserides) (1562–1612) was a Danish astronomer and medical doctor. Sasceride was born in Copenhagen. He worked as an assistant to Tycho Brahe after studying under him. It is believed that the following words were written by Sasceride to Brahe: "Quia adhuc aliquid superest spatii, quae sequuntur paucula, sic expetente typographo,