Barbara Bush

Updated at 10:23 p.m. ET

Former first lady Barbara Bush died Tuesday at the age of 92, according to a family spokesman.

A statement issued on Sunday by the office of former President George H.W. Bush said that Bush had elected to receive "comfort care" over additional medical treatment after a series of hospitalizations.

After a series of hospitalizations, former first lady Barbara Bush, 92, is focused on "comfort care," according to a statement released by the office of George H.W. Bush.

Bush is the wife of former President George H. W. Bush, and the mother of former President George W. Bush. She established the Barbara Bush Foundation for Family Literacy decades ago, promoting reading skills across America, particularly for young children.