Does d .n a test prove ARRON KOSMINSKI was jack the ripper

Does d .n a test prove ARRON KOSMINSKI is Jack the Ripper? This conclusion was due to d.n.a tests on a blood stained shoul belonging to one of the victims -CATHERINE EDWARDS.This was then compared with living descendant  then a semen DNA test was done the same way to a living descendant of accused ,kosminski was 23 at the time and died aged 30 in leavesden mental hospital and has been a long time suspect in the mystery of jack the ripper.