N Kotromanić

http://en.wikipedia.org/wiki/Tvrtko_II_of_Bosnia

Stefan Tvrtko II King of Bosnia

Stephen Tvrtko II was married during his first reign; his wife was mentioned by the Ragusans in 1409 as "the Queen, wife of King Tvrtko of Bosnia"

Tvrtko eventually married the Hungarian noblewoman Dorothy Garai, but not before assuring the papacy of his commitment to the Roman Catholic Church. The wedding was held between 23 and 31 July 1428, and the marriage lasted until her death in September 1438. The sources do not mention that the couple had any children, but archaeological excavations in the royal chapel in Bobovac during the second half of the 20th century confirmed the existence of a child's tomb located between the tombs of the royal couple, indicating that they might have had a child who died in infancy or early childhood.