The House of Fitzalan was a prominent noble family in England, particularly known during the medieval period. They held the title of Earls of Arundel and were influential in the politics and society of the time. The family originated from the Fitzalan name, which means "son of Alan," and they played a significant role in various historical events, including the Wars of the Roses. The Fitzalan family had strong connections to the Plantagenets and other royal houses, often marrying into them to strengthen their influence. Their ancestral seat was Arundel Castle, located in West Sussex, which remains a symbol of their legacy and historical significance.