Discarding the paternity of Helene Demuth's son Douglas (still disputed by some) the romance of Jenny and Karl i think does stand out as a remarkable relationship well worth the Hollywood touch.But it seems from the link that the movie will concentrate on will be between Karl and Fred.It is surprising that no one bothered to do any decent TV series of the whole Marx family…his daughters are deserving of their own episodes in a drama and Engels and the Burns sisters too….A lot more fascinating than Downton Abbey or whatever the latest period drama happens to be just now. I simply don't accept it the reason is that it is not of interest but instead simply to ensure they are not treated as personalities and individuals since their too human characteristics doesn't match what they wish us to know. Of course beause they did have personal flaws, a biography, warts and all, ..(or in Karl's case boils)…an equally destructive to reputations one could could be made by the media…