In what year was the abbess who wrote the biography of Bertha of Bingen born?
Hildegard of Bingen Hildegard of Bingen, O.S.B. (German: "Hildegard von Bingen" ; ; 1098 – 17 September 1179), also known as Saint Hildegard and Sibyl of the Rhine, was a German Benedictine abbess, writer, composer, philosopher, Christian mystic, visionary, and polymath. She is considered to be the founder of scientific natural history in Germany.
Margareta Gustafsdotter Margareta Gustafsdotter or Margareta Göstafsdotter (floruit 1324), was a Swedish noble landowner and abbess. She founded the convent of the Dominican order for females at Kalmar in 1299 and served as its first abbess.