Amadeus IV of Savoy was a nobleman who lived during the 13th century, specifically from 1197 to 1253. He was the Count of Savoy, a region in what is now southeastern France and western Switzerland. Amadeus IV is known for his efforts to expand the influence of the House of Savoy and for his role in the political landscape of medieval Europe. During his reign, Amadeus IV worked to strengthen his territory through strategic marriages and alliances. He was also involved in various military campaigns, which helped to solidify the power of the Savoyard dynasty. His leadership laid the groundwork for future generations of the House of Savoy.