The woman, whose name was not immediately released, was 32 years old, Deputy St. Clair Coroner Curt Schildknecht said. He identified the children as a 9-year-old boy and two girls, ages 10 and 11.
Fire marshals were investigating the cause the fire, which had been reported shortly after midnight.
The blaze destroyed much of the roof and melted the awnings in the front of the house, leaving mostly a charred shell.
The head of Russian Technologies, Sergei Chemezov, clarified the fate of anti-aircraft guided missiles that Russia was supposed to deliver to China
The Basmanny Court of Moscow arrested Michael Calvey, the founder of Baring Vostok investment fund, on allegations of embezzling 2.5 billion rubles from Vostochny Bank. Calvey will be held in custody until April 13