the child , corinne gump , and her grandparents were killed in a massive house fire in the early hours of monday , just hours before robert seman , jr. , 46 , was to go on trial for allegedly sexually abusing the girl over several years .
after the three bodies were found in the home in youngstown , ohio , police went to seman 's home and found corinne 's mother , lynn schmidt , wkbn reported .
she was taken to the police station to be interviewed but she has not been arrested .