Graça Machel is a Mozambican politician and humanitarian. She is the widow of former President of Mozambique Samora Machel (1975–1986) and former President of South Africa Nelson Mandela (1998–2013). Machel is an international advocate for women's and children's rights and was made an honorary Dame Commander of the Order of the British Empire by Queen Elizabeth II in 1997 for her humanitarian work. She is the only woman in modern history to have served as First Lady of two countries, South Africa and Mozambique.

Samora Moisés Machel was a Mozambican military commander and political leader. A socialist in the tradition of Marxism–Leninism, he served as the first President of Mozambique from the country's independence in 1975.