Maria Mathildis was born on July 27th, 1895 in Lummen. Maria Mathildis' father was Felix Aerts and her mother was Paulina Sneyers. Her paternal grandparents were Petrus Aerts and Ludovica Vermeynen. She had a brother named Augustinus. She was the younger of the two children. She died at the age of 81 on November 19th, 1976 in Lummen.