Beeckman was born in December 1891, to Elise Beeckman, a feminist journalist, and Théophile Beeckman, a jurist. She spent the first four years of her life in Argentina, before her family returned to Belgium, where her parents divorced.
Education and medical career She studied medicine in Brussels from 1908 to 1914, specialising in hygiene in 1921. She worked at Saint-Pierre Hospital and then Saint-Jean Hospital until 1923, including a period during World War I where she treated injured soldiers. At the hospital, she met Jean Thysebaert, another doctor, and married him. From 1921 to 1949, she joined the penitentiary anthropology service of
Forest, further specialising in neuropsychiatry, social medicine, and criminology. During the 1930s, she also worked for the
Le Bon Marché store's medical service. == Political career ==