The Folkunga dynasty was a royal family that ruled Sweden from the late 12th century to the early 14th century. It is known for its significant influence on Swedish history, particularly during the medieval period. The dynasty produced several notable kings, including Birger Jarl, who is often credited with laying the foundations for the Swedish state. The Folkunga dynasty is also recognized for its connections to other European royal families through marriage alliances. This helped strengthen Sweden's political ties and cultural exchanges with neighboring regions. The dynasty's legacy is reflected in various historical documents and artifacts from that era.