Baron Didrik Anders Gillis Bildt (16 October 1820 – 22 October 1894) was a Swedish parliamentarian, military officer, and baron who served as the prime minister of Sweden from 1888 to 1889. A member of the Bildt family, he was the great-great grandfather of Carl Bildt, prime minister of Sweden from 1991 to 1994. Family. Gillis Bildt was born on 16 October 1820 in Gothenburg, Sweden, a son of Lieutenant Colonel Daniel Fredrik Bildt and his wife Christina Elisabeth Fröding. His father died seven years later, in 1827. His mother lived until 1858. In 1848 Gillis married Lucile Rosalie Dufva.
https://en.wikipedia.org/wiki/Gillis_Bildt