Firefighters believe 79-year-old Charles Henry may have been trying to put out the fire himself.
The blaze broke out about 7:30 a.m. at a home on Theodosia near Union.
Authorities in Union, Mo. say victims are a woman and two young children.
Home in the 6800 block of Magnolia went up in flames, early Sunday.
Coroner Thomas Whittaker says the boy’s father tried to rescue his son with a ladder but was unsuccessful.
Garage fire reported December 7, body discovered December 14.
Five people were rescued from third-floor blaze.
A child’s toy hangs on the doorknob of a south St. Louis apartment where three people died, Saturday, including a 10-month-old.
Riverview fire chief says an adult male died early Sunday.
The state fire marshal’s office is investigating the cause of a fatal fire in Foristell.