(1796–1798). Charlotte Wedgwood (1797–1862) was Charles Langton's first wife. After her death he married her cousin, Emily Catherine Darwin; she is the ancestor of Hugh Massingberd, see below. Henry Allen Wedgwood (1799–1885). Francis Wedgwood (1800–1888); married, on 26 April 1832 at Rolleston on Dove, Staffordshire, Frances Mosley, daughter of Rev. John Peploe Mosley and Sarah Maria Paget and granddaughter of Sir John Parker Mosley and Elizabeth Bayley; and was the grandfather of Josiah Wedgwood, 1st Baron Wedgwood and great-grandfather of C. V. Wedgwood and Camilla Wedgwood. Hensleigh Wedgwood (1803–1891), etymologist, philologist and barrister, author of A Dictionary of English Etymology father of Frances Julia Wedgwood (1833–1913), and grandfather of Bishop J. I. Wedgwood. His wife, his first cousin on his mother's side, Frances "Fanny" Wedgwood (née Mackintosh; 1800–1889, daughter of James Mackintosh), was a good friend and correspondent of Harriet Martineau. Frances (Fanny) Wedgwood (1806–1832). Emma Wedgwood (1808–1896); married Charles Darwin, son of Robert Darwin and Susannah Wedgwood. Thomas Wedgwood Thomas Wedgwood (1771–1805). Pioneer in developing photography. Son of Josiah Wedgwood. Samuel Tertius Galton Samuel Tertius Galton married Frances Anne Violetta Darwin (1783–1874), daughter of Erasmus Darwin, see above. They had three sons and four daughters including: Erasmus Galton (1815–1909), Lord of the Manor of Loxton. Francis Galton (1822–1911) – Inventor, polymath and father of eugenics. He married Louisa Jane Butler (1822–1897) during 1853 but their union was childless. Sir Francis Sacheverel Darwin Sir Francis Sacheverel Darwin was the son of Erasmus Darwin and Elizabeth (née Collier), daughter of Charles Colyear, 2nd Earl of Portmore. Francis was an accomplished travel writer, explorer and naturalist and bravely studied the ravages of the plague on Smyrna at great personal risk. He was the only one to return of his friends who went to the East. A physician to George III, he was knighted by George IV. On 16 December 1815 he married Jane Harriet Ryle (11 December 1794 – 19 April 1866) at St. George, Hanover Square London. They had many children including: Mary Jane Darwin (12 February 1817 – 1872), married Charles Carill-Worsley of Platt Hall, near Manchester, in 1840. (Their daughter, Elizabeth, who married Nicolas Tindal, later Tindal-Carill-Worsley, was the mother of Charles and Ralph Tindal-Carill-Worsley—see under 5th generation). Frances Sarah Darwin (19 July 1822 – 1881), married Gustavus Barton in 1845, widowed 1846 and remarried to Marcus Huish during 1849. She is the stepmother of the art dealer Marcus