Betty Ford dies aged 93

Former US president Gerald Ford and his wife Betty in 1975. Gerald Ford died in 2006 Photograph: AP

Betty Ford, then a 23-year old instructor at the Calla Travis Dance School, poses during a benefit performance of 'Fantasy' Photograph: Everett Collection/Rex Features

Gerald and Betty Ford in Lansing, Michigan on 4 January 1949. Gerald Ford represented Michigan as a senator Photograph: AP

Betty Ford holds her second son, Jack, while her eldest son Michael plays in their apartment in 1952 Photograph: Everett Collection/Rex Features

Gerald and Betty Ford relax while deep-sea fishing during a holiday in the Caribbean in 1972 Photograph: Handout/Getty Images

The Fords look at a petition of support signed by all 100 US senators while Betty is treated for breast cancer at Bethesda Naval Hospital in 1974 Photograph: AP

President Gerald Ford and Betty hug each other in the Oval Office of the White House on 6 December 1974 Photograph: H/O/Reuters

The couple pose with family members and their dog at the White House in 1975 Photograph: AP

Betty Ford launches her Drugs and Alcohol Treatment Centre in 1984 Photograph: Sipa Press / Rex Features

Betty Ford poses with her book of memoirs on 5 February 1987 Photograph: Bob Riha Jr/WireImage

Betty Ford pauses at the casket of her husband, former US president Gerald Ford, as it lies in state in the US Capitol in Washington on 1 January 2007 Photograph: Nick Wass/Corbis

Gerald and Betty Ford return to the president's suite at the Bethesda Naval Hospital, Maryland, following the first lady's breast cancer surgery in October 1974 Photograph: H/O/Reuters