Tycho Brahe personalities. When Tycho and Vedel returned from Leipzig in 1565, Denmark was at war with Sweden, and as vice-admiral of the Danish fleet Jørgen Brahe had become a national hero for having participated in the sinking of the Swedish warship "Mars" during the First battle of Öland (1564). Shortly after Tycho's arrival in Denmark, Jørgen Brahe was defeated in the Action of 4 June 1565, and shortly afterwards died of a fever. Stories have it that he contracted pneumonia after a night of drinking with the Danish King Frederick II when the king fell into the water in a Copenhagen
Otte Brahe noble houses in several Danish cities including Copenhagen. They built a brick castle at Knudstrup completed in 1550. Their first child was a daughter, Lizbeth. This was followed by twin boys on 14 December 1546. However, one of the twins died before being baptized and named. The other was named Tyge (after Brahe's father). It is for their son Tyge that Brahe is best known as he became a famous astronomer and took on the name Tycho Brahe as a teenager. Strangely, their son Tyge was kidnapped by Brahe's older brother, Jørgen, in 1548. Tycho later wrote: "without the knowledge