Elisabeth Christine became queen dowager upon the death of Frederick the Great on 17 August 1786. She wasn't present at the death of her spouse and hadn't seen him since January of that year, but was given public sympathy for his death because of the popularity she enjoyed among the public, to all of whom, according to Spalding, she was "so dear in her affliction."
Maria Theresa of Austria (14 January 1767 – 7 November 1827), married Anton of Saxony and had issue.; Francis II, Holy Roman Emperor (12 February 1768 – 2 March 1835), married Duchess Elisabeth of Württemberg and had issue; married Maria Teresa of Naples and Sicily and had issue; married Maria Ludovika of Austria-Este, no issue; married Caroline Augusta of Bavaria, no issue.
Duke of Brunswick-Wolfenbüttel 9 October 1735-16 October 1806 Married Princess Augusta of Great Britain, had issue Georg Franz: 29 September 1736-10 December 1737 Died in infancy Sophie Caroline Marie Margravine of Brandenburg-Bayreuth 7 October 1737-21 December 1817 Married Frederick, Margrave of Brandenburg-Bayreuth and had no issue ...
Eleonore Charlotte Kettler, Duchess of Brunswick-Wolfenbüttel-Bevern: 11 Jun 1686 28 Jul 1748 Ernest Ferdinand, Duke of Brunswick-Wolfenbüttel-Bevern, had issue Charles, Duke of Berry: 31 Jul 1686 5 May 1714 Louise Élisabeth of Orléans, had issue George Christian, 1st Fürst of Lobkowicz: 10 Aug 1686 4 Oct 1755
Duchess of Brunswick-Wolfenbüttel 13 March 1716-17 February 1801 Married Charles I, Duke of Brunswick-Wolfenbüttel and had issue Louis Charles William Prince of Prussia 2 May 1717-31 August 1719 Died in early childhood Sophia Dorothea Margravine of Brandenburg-Schwedt Princess in Prussia 25 January 1719-13 November 1765
At age 13 Elisabeth Christine became engaged to the future Charles VI, Holy Roman Emperor, through negotiations between her ambitious grandfather, Anthony Ulrich, Duke of Brunswick-Wolfenbüttel and Charles' sister-in-law, Empress Wilhelmine Amalia, whose father was John Frederick, Duke of Brunswick-Calenberg and thus belonged to another branch of the House of Welf.
Hedwig (c. 1259 – 26 January 1285/27 October 1286), married 1270 in Vienna to Margrave Otto VI of Brandenburg-Salzwedel and left no issue Clementia (c. 1262 – after 7 February 1293), married 1281 in Vienna to Charles Martel of Anjou , the papal claimant to the throne of Hungary