Who married Philippa of Guelders?

Philippa of Guelders (French: Philippe de Gueldres; 1464 – 1547), was a Duchess consort of Lorraine. She served as regent of Lorraine in 1509 during the absence of her son. She was the great-grandmother of Mary, Queen of Scots.

René II (2 May 1451 – 10 December 1508) was Count of Vaudémont from 1470, Duke of Lorraine from 1473, and Duke of Bar from 1483 to 1508. He claimed the crown of the Kingdom of Naples and the County of Provence as the Duke of Calabria 1480–1493 and as King of Naples and Jerusalem 1493–1508. He succeeded his uncle John of Vaudémont as Count of Harcourt in 1473, exchanging it for the county of Aumale in 1495. He succeeded as Count of Guise in 1504.