Courtesy Barbara Kinney

Hillary Clinton has cancelled scheduled trips to London and Turkey to be by the side of her 92-year-old mother, who has become ill.

Clinton decided to remain in Washington when her mother Dorothy Rodham fell ill Monday, according to The Associated Press. A State Department official confirmed that Secretary Clinton will remain in Washington, but did not disclose the nature of Rodham’s illness.

Clinton was scheduled to attend international conferences on cyber security and Afghanistan on her trip to Europe. Wednesday’s conference in Istanbul will be on improving Afghanistan’s security and economic development.

Though Rodham has mostly stayed out of the public eye as her daughter rose to political prominence, she did hit the campaign trail in support of Clinton’s 2008 Presidential bid, and appeared on “The Oprah Winfrey Show” in 2004.

Rodham was also seen in 2010 at the wedding of her granddaughter Chelsea Clinton to Marc Mezvinsky.