Roger Bigod was a prominent English nobleman during the 12th century. He was born around 1100 and became the Earl of Norfolk after inheriting his father's title. Bigod was known for his loyalty to the Plantagenet kings and played a significant role in the political landscape of medieval England. Throughout his life, Roger Bigod was involved in various military campaigns and was a key supporter of King Henry II. He also contributed to the construction of several castles, which served as important defensive structures during that time. His legacy includes the establishment of the Bigod family as influential figures in English history.