How is jack and Algernon related?

Jack and Algernon are not related by blood but are close friends and social acquaintances in Oscar Wilde's play "The Importance of Being Earnest." Jack, who is also known as Ernest, is a country gentleman, while Algernon is an affluent city bachelor. Their relationship becomes complicated due to their respective alter egos and romantic pursuits, particularly involving Jack's love interest, Gwendolen, who is also Algernon's cousin. This connection creates humorous misunderstandings and reveals the social dynamics of their Victorian society.