Dorothy Rodham, mother of U.S. Secretary of State Hillary Rodham Clinton, died Tuesday, shortly after midnight at the age of 92.

The Former First Lady canced a planned trip to London and Istanbul to stay by her ailing mother's bedside in Washington D.C. No details were provided about Rodham's illness.

She was a warm, generous and strong woman, the Clinton family said in a statement, an intellectual; a woman who told a great joke and always got the joke; an extraordinary friend and, most of all, a loving wife, mother and grandmother. 

Clinton was originally scheduled to attend a London conference regarding cybersecurity, followed by a gathering in Istanbul aimed at shoring up support for Afghanistan, according to The New York Times.

Rodham lived with her daughter in Washington. The family said in a statement they plan to hold a private memorial service.