Where a non-attorney petitioner seeks pro se to represent the interests of a decedent’s estate, he is barred from doing so under 705 ILCS 205/1, and any proceedings instituted by him regarding the estate should be considered a null and void.The 1st District Appellate Court dismissed an appeal from a decision by Cook County Circuit Judge Daniel B. Malone.Carol Mattson died on May 4, 2016, intestate. She was survived by …