The Kotromanić family was a prominent noble family in medieval Bosnia. They played a significant role in the region's history, particularly during the 14th and 15th centuries. The family is best known for its connection to the Kingdom of Bosnia, where they produced several rulers, including Tvrtko I, who became the first king of Bosnia. The Kotromanić dynasty was influential in the political and cultural development of Bosnia. They were known for their efforts to strengthen the kingdom and expand its territory. The family's legacy is still remembered today, as they contributed to the formation of Bosnia's national identity.