an Entity references as follows:
Maria van Arkel (c. 1385 – 19 July 1415) was the only daughter and heiress of Lord John V of Arkel and Joanna of Jülich. She inherited the title to Gelderland from her maternal uncle, Duke Reginald IV, and her son became Arnold, Duke of Gelderland. She was the paternal grandmother of Mary of Guelders, who became Queen of Scots.