Where a defendant or intervenor wishes to raise the issue of standing, it is an affirmative defense and is waived if not timely brought before the trial court.The 1st District Appellate Court affirmed the decision of Cook County Circuit Judge Michael Mullen.In 1984, a quitclaim deed transferred a piece of property from Robert and Lillie Mae Callan, husband and wife, to Robert, Lillie and Barbara Ann Callahan, their daughter, holding it in joint tenancy. Lillie and Barbara granted a mortgage on the property in 1991 …