Anna Margaretha was born on February 23rd, 1761 in Lummen. Anna Margaretha's father was Petrus Aerts and her mother was Christina Lemmens. Her paternal grandparents were Theodori Aerts and Elisabetha Schellekens. She had a brother named Paulus. She was the older of the two children. She died at the age of 79 on October 15th, 1840 in Lummen.