Complex sentence: Born about 1130 at the castle of Landsberg, the seat of a noble Alsatian family, she entered Hohenburg Abbey in the Vosges mountains, about fifteen miles from Strasbourg, at an early age.
Split into simpler sentences: Born about 1130 at the castle of Landsberg, the seat of a noble Alsatian family. She entered the Hohenburg Abbey in the Vosges mountains, about fifteen miles from Strasbourg, at an early age.