Bertha von Marenholtz-Bülow [SEP] place of death
Bertha von Marenholtz-Bülow
Baroness Bertha von Marenholtz-Bülow (born 5 March 1810 in Brunswick; died 9 January 1893 in Dresden) was a German noblewoman and educator noted for her work in spreading the kindergarten concept through Europe.
Biography.
Bertha was daughter of baron Georg von Bülow-Wendhausen and countess Amalie Marie von Wartensleben. She married baron Wilhelm von Marenholtz, whom she left in 1847 without getting divorced. 
She was attracted by the ideas of Friedrich Fröbel, whom she met in 1850. She
" – a songbook that he published – to introduce the young child into the adult world.
These ideas about childhood development and education were introduced to academic and royal circles through the tireless efforts of his greatest proponent, the Baroness (Freiherrin) Bertha Marie von Marenholtz-Bülow. Through her Fröbel made the acquaintance of the Royal House of the Netherlands, various Thuringian dukes and duchesses, including the Romanov wife of the Grand Duke von Sachsen-Weimar. Baroness von Marenholtz-Bülow, Duke von Meiningen and Fröbel gathered donations