Lady Augusta Gordon Lady Augusta Gordon Lady Augusta Gordon ("née" FitzClarence; 17 November 1803 – 8 December 1865) was a British noblewoman. Born the fourth illegitimate daughter of William IV of the United Kingdom (then Duke of Clarence) by his long-time mistress Dorothea Jordan, she grew up at their Bushy House residence in Teddington. Augusta had four sisters and five brothers all surnamed FitzClarence. Soon after their father became monarch, the FitzClarence children were raised to the ranks of younger children of a marquess. In 1827, Augusta married the Hon. John Kennedy-Erskine, a younger son of the 13th Earl of Cassilis. They had
Sophia Dorothea of Celle Duke of Brunswick-Lüneburg by his long-term mistress, Eleonore d'Esmier d'Olbreuse (1639–1722), Countess of Williamsburg, a Huguenot lady, the daughter of Alexander II d'Esmiers, Marquess of Olbreuse. George William eventually married Eleonore officially in 1676 (they had been married morganatically previously). There was some talk of marriage between Sophia Dorothea and the (then) future king of Denmark, but the reigning queen was talked out of it by Sophia of Hanover (her future mother-in-law). Another engagement, to the Duke of Brunswick-Wolfenbüttel, was broken off after Duchess Sophia convinced her brother-in-law of the advantage of having Sophia Dorothea marry her cousin. This occurred