Sirima Ratwatte Dias Bandaranaike, commonly known as Sirimavo Bandaranaike, was a Sri Lankan stateswoman and politician and the modern world's first female head of government. She served as Prime Minister of Ceylon and Sri Lanka three times, 1960–65, 1970–77 and 1994–2000, and was a long-time leader of the Sri Lanka Freedom Party. Bandaranaike was the widow of a previous Sri Lankan prime minister, Solomon Bandaranaike, and the mother of Sri Lanka's fourth Executive President, Chandrika Kumaratunga, as well as Anura Bandaranaike, former speaker and cabinet minister.

https://en.wikipedia.org/wiki/Sirimavo_Bandaranaike