In the autumn of 1841, after the birth of his brother Otto, Busch's education was entrusted to the 35-year-old clergyman, Georg Kleine, his maternal uncle at Ebergötzen, where 100 children were taught within a space of . This probably through lack of space in the Busch family home, and his father's desire for a better education than the small local school could provide. The nearest convenient school was located in Bückeburg, from Wiedensahl. Kleine, with his wife Fanny Petri, lived in a rectory at Ebergötzen, while Busch was lodged with an unrelated family. Kleine and his wife were responsible and caring, exercised a substitute parental role, and provided refuge for him in future unsuccessful times.