Question: What is the middle name of Beate Clausdatter Bille's Son ?

Related documents: [0]  [DOC] Beate Clausdatter Bille (30 April 1526 – 18 October 1605) was a Danish noblewoman, a member of the royal court, Chief Lady-in-Waiting ("hofmesterinde" in Danish, corresponding to Mistress of the Robes in the UK) to Queen Sophie from 1584 to 1592, the wife of statesman Otte Brahe, and a feudal fiefholder in her own right following the death of her husband. She succeeded her sister-in-law Inger Oxe, who held the office from 1572 to 1584, as Chief Lady-in-Waiting to Queen Sophie. Beate Bille was the mother of astronomer Tycho Brahe. [END] 
[1]  [DOC] Tycho Brahe ( , born Tyge Ottesen Brahe (] ); 14 December 154624 October 1601) was a Danish nobleman known for his accurate and comprehensive astronomical and planetary observations. He was born in the then Danish peninsula of Scania. Well known in his lifetime as an astronomer, astrologer and alchemist, he has been described as "the first competent mind in modern astronomy to feel ardently the passion for exact empirical facts." His observations were some five times more accurate than the best available observations at the time. [END]  
Answer: Ottesen
Ottesen