Olivera Lazarević
Marija Olivera Lazarević (Serbian Cyrillic: Марија Оливера Лазаревић; 1372 – after 1444), or Olivera Despina Hatun, was a Serbian princess and consort of the Ottoman sultan Bayezid I, whom she married just after the Battle of Kosovo in 1389 as a pledge of peace between the Lazarević and Ottoman dynasties. She was the youngest daughter of Lazar of Serbia and Princess Milica.