Deputies said Casei Jones' body was found in the vehicle Michael Jones Jr. was driving.
Investigators said Michael Jones Jr. later led them to the remains of four children.
Deputies said the remains have not been positively identified but that they are believed to be those of Casei Jones' four missing children -- Cameron Bowers, 10; Preston Bowers, 5; Mercalli Jones, 2; and Aiyana Jones, 1.
Detectives said they believe Michael Wayne Jones Jr. killed the victims at their Southeast 86th Terrace home near Sunset Harbor Road and U.S. 441 in Marion County's Summerfield neighborhood.
Investigators said they believe he stored the bodies at his home and in his van for several weeks before taking them to Georgia.
Deputies said a warrant has been issued for Michael Wayne Jones Jrs arrest on a charge of second-degree murder and that more charges are forthcoming.