David Stewart was heir apparent to the throne of Scotland from 1390 and the first Duke of Rothesay from 1398. He was named after his great-granduncle, David II of Scotland, and also held the titles of Earl of Atholl and Earl of Carrick. Wikipedia
Born: October 24, 1378
Died: March 26, 1402 (age 23 years), Falkland Palace & Garden, Falkland, United Kingdom
Great-grandparents: Walter Stewart, 6th High Steward of Scotland, Marjorie Bruce, Janet Mure, and more
Parents: Robert III and Anabella Drummond
Siblings: James I of Scotland
Partner: Lady Marjorie Douglas