One of her sons, David William Hilligiest (B. July 30, 1957) is believed to be one of the victims of serial killer
Dean Corll and is presumed to have been murdered on May 29, 1971. David and his friend Gregory Malley Winkle (B. January 24, 1955) vanished together while going to the neighborhood swimming pool. Their bodies were found in Corll's boat shed, along with 15 others in 1973. Both had been strangled.