Complex sentence: She spent her childhood in Stolp and a subsequent seven years in Hürben (Swabia) and at the age of 15 passed exams in Augsberg to become a language teacher.
Split into simpler sentences: She spent her childhood in Stolp and a subsequent seven years in Hürben (Swabia). At the age of 15, she passed exams in Augsberg to become a language teacher.