Adelaide of Braine was a noblewoman from the 10th century, known for her marriage to Hugh the Great, a prominent French noble. She was born into a powerful family, which helped her gain influence in the political landscape of medieval France. Her lineage connected her to various noble houses, enhancing her status. After her husband's death, Adelaide became a significant figure in the region of Braine, where she managed estates and maintained her family's power. She is often remembered for her role in supporting her children and ensuring their positions within the nobility, contributing to the stability of her lineage.