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.
Clarence Bicknell Bern (1913). Bicknell and his siblings grew up in a mansion surrounded by his wealthy father's extensive art collection. He probably took art lessons at home or at school. He certainly received instruction in Italy where he took lessons with expatriate Belgian artist Jules Pierre van Biesbroeck. He became an accomplished artist with pen and watercolour, using his skill to sketch or paint his botanical subjects and, later, in creating decorative works with a botanical or archaeological theme. He illustrated his travel diaries, and, engravings of some of his artwork appear in his books. In 1886 Bicknell commissioned British architect