Conan I, Duke of Brittany was a prominent figure in the early medieval period, ruling from around 990 until his death in 992. He was the son of Judicael, Count of Rennes and played a crucial role in the establishment of the duchy of Brittany as a significant political entity in France. His reign marked the beginning of a more organized governance in the region. During his short rule, Conan I worked to strengthen the ties between Brittany and the surrounding territories. He was known for his efforts to promote Christianity and support the church, which helped to solidify his authority and influence in the region.