Banita Jacks, 33, was charged with four counts of first-degree murder and appeared in District of Columbia Superior Court. She told police that the deaths occurred before a utility turned off her electricity, which prosecutors said was in September 2007, according to charging documents.
Around 30 members of Banita Jacks's family and friends attended Thursday evening's hearing. They left the courthouse without comment, reports CBS News affiliate WUSA-TV in Washington.
The bodies of the girls - ages 5 to 17 - were found Wednesday when deputy U.S. marshals served an eviction notice at the apartment in southeast Washington.
Jacks told investigators that the children were possessed by demons and began dying in their sleep, one by one, within a seven-day period, documents say. She also said she had not fed her children for a substantial time before their deaths.
Medical examiner Dr. Marie-Lydie Pierre-Louis said the bodies were in the apartment more than 15 days, "based on the insects that were found there."
Jacks could receive a maximum sentence of life in prison if convicted.
Jacks appeared in court in a white jump suit and sandals. She did not speak during the hearing. Superior Court Magistrate Judge Karen Howze ordered her held without bond. Her attorneys had argued that she should be released to the custody of an adult relative pending trial.
"I don't know how many bodies we need before we determine that Ms. Jacks is a danger to the community," said Deborah Sines, assistant U.S. attorney.
The charging documents identify the children as Brittany Jacks, 17; Tatianna Jacks, 11; N'Kiah Fogle, 6; and Aja Fogle, 5.
Although autopsies are incomplete, the medical examiner's office reported that there was evidence that Brittany had been stabbed, the charging documents state. There was evidence of binding on the necks of the Tatianna and N'Kiah, and evidence of blunt force injury to the head of Aja and binding on her neck, according to the documents.
When the deputies went to the home Wednesday, Jacks tried to block them from the second floor, according to the charging documents.
Once inside, marshals found religious writings on the walls, authorities said, according to the Washington Post.
One of the deputies walked around her and spotted the bodies of the three younger children on the floor of an unfurnished bedroom. He then opened the door to another bedroom and found Brittany's body, also on the floor of a bare room.
The three children were dressed in white T-shirts, the documents said.
Brittany's body was naked but was partially covered by a white T-shirt. An object that appeared to be a steak knife lay nearby, and there was a dried maroon liquid around the body, according to the documents.
Jacks graduated from Aaron's Academy of Beauty in Waldorf in August 2005 with a license to practice cosmetology, said Stacy Lynch, the school's director. She described Jacks as a friendly woman, a good student and a good mother.
"She loved her children," said Lynch. "When you saw Banita outside of school, you saw the girls ... they were always together."
Court records in Charles County, Md., show that Jacks filed paternity suits against three men, two of which were successful. In one case, Norman C. Penn Jr., whose most recent address is in Glen Burnie, is named the father of Brittany. In another case, Kevin J. Stoddard, whose most recent address is listed in Prince George's County, acknowledged he is the father of Tatianna.
The county court records indicated that both men failed to pay required child support. Penn was convicted of criminal contempt and received a suspended jail sentence. Records also show that in 2004, lenders foreclosed on a Waldorf townhome that Jacks had purchased three years earlier.