her husband, Maximilian, also claimed their rights, which led to clashes of arms culminating at the 1479 Battle of Guinegate, which Mary and Maximilian won. Nevertheless, Mary died in 1482, and her claims were inherited by her son Philip, who was still a child and thus under the guardianship of his father, Maximilian.

According to the Treaty of Arras (1482), Maximilian had to cede the