Blandine Merten was a German nun of the Ursulines of Calvarienberg who lived from 1883 to 1918. Born Maria Magdalena Merten, she was the ninth of eleven children. Before entering religious life, she worked as a secular teacher for six years. After joining the convent near Ahrweiler and completing her novitiate, she made her solemn vows in November 1913. Her life was cut short by tuberculosis, which she contracted in 1916.