Career
She competed in the ladies singles event at all major competitions from 1929 to 1936, including Winter Olympics, world and European championships. She was born Yvonne Geurts, and changed her last name after marrying speed skater Charles de Ligne. During World World War II she fell in love with Dutch figure skater Jacob Hartog, who then lived in Antwerpen.
She was released after 6 years as she was suffering from tuberculosis, from which she died shortly thereafter.