Former US First Lady Nancy Reagan and wife of late former President Ronald Reagan died at age 94, the Reagan Library said in a statement early Sunday, Sputnik reported.
"Nancy Davis Reagan, former First Lady of the United States, died this morning at her home in Los Angeles at the age of 94. The cause of death was congestive failure," the Reagan Library said.
She will be buried at the Library next to her husband, who died in June 2004, it was added.
Reagan has been suffering from failing health since 2008. She has served as First Lady in 1981-89.