After the divorce , Robert Knorr attempted to see his children but Theresa prevented him from doing so .
Fed up with Theresa 's constant accusations , Knorr left her in June 1969 and was granted a divorce in 1970 .
After the divorce , Robert Knorr attempted to see his children but Theresa prevented him from doing so .
Fed up with Theresa 's constant accusations , Knorr left her in June 1969 and was granted a divorce in 1970 .