William I was King of Württemberg from 30 October 1816 until his death.
Upon William's accession, Württemberg was suffering crop failures and famine in the "Year Without a Summer", in 1816. Wikipedia
Born: September 27, 1781, Lubin, Poland
Died: June 25, 1864 (age 82 years), Naturkundemuseum Stuttgart, Schloss Rosenstein, Stuttgart, Germany
Grandchildren: William, Prince of Orange, Prince Maurice of the Netherlands, Alexander, Prince of Orange, and more
Spouse: Pauline Therese of Württemberg (m. 1820–1864), Catherine Pavlovna of Russia (m. 1816–1819), and Caroline Augusta of Bavaria (m. 1808–1814)
Children: Karl I of Württemberg, Princess Catherine of Württemberg, Sophie of Württemberg, and more
Burial: 30 June 1864; Württemberg Mausoleum