She later became the de facto principal of Mulgrave 's girls ' school at Christiansborg .
Ghana : Regina Hesse moved into the household of her mentor , Catherine Mulgrave and her spouse , Johannes Zimmermann to understudy the methods of pedagogy .
Regina Hesse later became the de facto principal of Catherine Mulgrave 's girls ' school at Christiansborg .
Ghana : Regina Hesse moved into the household of her mentor , Catherine Mulgrave and her spouse , Johannes Zimmermann to understudy the methods of pedagogy .