Non-spousal Uses
In some situations, the title is bestowed upon a non-spouse. This includes terms like "First Family", "First Daughter", and "First Son".
In the past, occasionally another woman, such as the President's daughter, has filled the duties of First Lady as hostess in the White House, if the President's wife was unwilling, unable, or if the President was a widower or bachelor. Harriet Lane, niece of bachelor President James Buchanan was the first non-spouse to be called First Lady.
Park Geun-hye, former head of the Grand National Party of Korea, has been referred to as the First Lady to South Korean President Park Chung Hee. Although she is President Park's daughter, the title was bestowed upon her after her mother's death.
In 1994, Peruvian president Alberto Fujimori officially named his daughter Keiko First Lady after he had separated from his wife Susana Higuchi.
After taking office as Puerto Rico's first female governor, Governor Sila Maria Calderón appointed her two daughters, Sila María González Calderón and María Elena González Calderón, to serve as First Ladies.
Evo Morales, the president of Bolivia, is single, so his sister, Esther Morales Ayma, fulfills the role of First Lady.
Following the leadership spill which installed Julia Gillard as the first female Prime Minister of Australia on 24 June 2010, some news media referred to her de facto partner, Tim Mathieson, as the "First Bloke".
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