LOS ANGELES (Office of Nancy Reagan) - Former First Lady Nancy Davis Reagan has died at the age of 94.
She died at her home in Los Angeles, California.
The office of Nancy Reagan released the information this morning.
The cause of death was congestive heart failure
Mrs. Reagan will be buried at the Ronald Reagan Presidential Library in SImi Valley, California, next to her husband Ronald Wilson Reagan, who died on June 5, 2004.
Prior to the funeral service there will be an opportunity for members of the public to pay thier respects at the Library.
Details will be announced shortly.
Her marriage to Ronald Reagan lasted 52 years until his death in 2004.
A former actress, she was Reagan's closest adviser and fierce protector on his journey from actor to governor of California to president of the United States.
She rushed to his side after he was shot in 1981 by a would-be assassin, and later endured his nearly decade-long battle with Alzheimer's disease. In recent years she broke with fellow Republicans in backing stem cell research as a way to possibly find a cure for Alzheimer's.