Sophia Brahe Sophia Brahe Sophia or Sophie Brahe or after marriage Sophie Thott Lange (22 September 1556 or 24 August 1559 – 1643), was a Danish horticulturalist with knowledge of astronomy, chemistry, and medicine. She assisted her brother Tycho Brahe with his astronomical observations. She was born in Knudstrup, as the youngest of ten children, to Otte Brahe "rigsråd," or advisor to the King of Denmark; and Beate Bille Brahe, leader of the royal household for Queen Sophie. Sophia's oldest brother was astronomer Tycho Brahe. Though he was both more than a decade her senior and raised in a separate household, the
Tycho Brahe having been unable to marry the woman he loved, many of Tycho's family members disagreed, and many churchmen would continue to hold the lack of a divinely sanctioned marriage against him. Kirsten Jørgensdatter gave birth to their first daughter, Kirstine (named after Tycho's late sister) on 12October 1573. Kirstine died from the plague in 1576, and Tycho wrote a heartfelt elegy for her tombstone. In 1574, they moved to Copenhagen where their daughter Magdalene was born, later the family followed him into exile. Kirsten and Tycho lived together for almost thirty years until Tycho's death. Together, they had eight children,