Complex sentence: Adelaide was born on 13 August 1792 at Meiningen, Thuringia, Germany, the eldest child of George I, Duke of Saxe-Meiningen; her mother was Luise Eleonore, daughter of Christian Albrecht, Prince of Hohenlohe-Langenburg.
Split into simpler sentences: Adelaide was born on 13 August 1792 at Meiningen, Thuringia, Germany. Her father was George I, Duke of Saxe-Meiningen; and her mother was Luise Eleonore, daughter of Prince Christian of Hohenlohe-Langenburg.