John Bicknell solicitor to the Admiralty and the Prince Regent, became father-in-law to John Constable. His eldest daughter Maria Elizabeth Bicknell married Constable in 1816. John Bicknell John Bicknell, the elder (baptised 1746 – 1787) was an English barrister and writer. He was co-author with Thomas Day of the abolitionist poem "The Dying Negro" from 1773. Bicknell has also been credited with "Musical Travels through England", a pseudonymous satire on Charles Burney. The second son of Robert Bicknell of the Inner Temple, he was admitted to the Middle Temple in 1761. He was called to the bar at Lincoln's Inn in 1769.
Elżbieta Czartoryska (1736–1816) Elżbieta Czartoryska (1736–1816) Princess Elżbieta Izabela Czartoryska (21 May 1736 – 11 November 1816), better known under her married name of Izabela Lubomirska, was a Polish noblewoman. She was the daughter of August Aleksander Czartoryski, one of the leaders of the Familia, and Maria Zofia Czartoryska. In her youth, she loved her cousin, Stanisław August Poniatowski, later elected King of Poland, but was unable to marry him due to the objections of her father, who thought him not sufficiently rich or influential. Eventually, she married Stanisław Lubomirski on 9 June 1753, with whom she had four children: Julia, Konstancja, Elżbieta,