Politicians from both sides of the aisle took to social media Sunday afternoon to send messages of support to First Lady Barbara Bush, who a source close to her says is in declining health, according to CNN.
Dana Perino, former White House press secretary under George W. Bush and host of Fox News' "The Daily Briefing", tweeted: "Barbara Bush has taught us all so much".
Shortly after the Bush family released its statement, Texas Governor Greg Abbott called on the state to pray for the entire Bush family.
The brief statement did not indicate the nature of Bush's illness but said that she had had a series of recent hospitalisations. "Bush, now age 92, has decided not to seek additional medical treatment and will instead focus on comfort care", the statement put out by the family's spokesperson, Jim McGrath read.
Mr Bush, who served as USA president from 1989-93, suffers from a form of Parkinson's disease and uses a wheelchair.
Barbara served as first lady during George H.W. Bush's presidency from 1989 to 1993.
Abigail Adams, wife of John Adams and mother to John Quincy Adams, was the first.
Barbara Bush, pictured in 2013, has been treated for decades for Graves' disease. Her husband, the 41st U.S. president, is 93 years old. The pearls became synonymous with Bush, who later said she selected them to hide the wrinkles in her neck.
Barbara Bush, often known for her outspoken remarks and self-deprecating wit, was the USA first lady from 1989 to 1993 when her husband was the country's 41st president. She met George Herbert Walker Bush at a school dance in Greenwich, Connecticut, when she was 16. And of her president son, she once said, "I may be the only mother in America who knows exactly what their child is up to all the time". Barbara Pierce was born in NY and met her future husband at age 16. The foundation partners with local programs and had awarded more than $40 million to create or expand more than 1,500 literacy programs nationwide.