Henrietta married Richard Buckley Litchfield in 1871. They had no children.




- George
Howard – b.1845 d. 1912. Studied at Trinity College. George was an
astronomer and mathematician. He made statistical studies of cousin
marriages and studied the evolution and origins of the solar system.
George wrote a paper on the age of the earth that lead to his
nomination to the Royal Society in 1877 and his becoming a Fellow in
1879. In 1883 he became the Plumian Professor of Astronomy and
Experimental Philosophy at Cambridge University, and was a
Barrister-at-Law.
George married Martha (Maud) du Puy from Philadelphia. They had two sons, and two daughters.


- Elizabeth
(Lizzie, Betty, Bessy) – b. 1847 d. 1926 [1928 according to Keynes].
Apparently had communication difficulties with words and pronunciation.
After living awhile in London near Erasmus Darwin, Elizabeth bought
Tromer Lodge, a house in Downe near Henrietta’s residence, in 1868.
Elizabeth never married and had no children.
- Francis
(Frank) – b. 1848 d. 1925. Studied at Trinity College, Cambridge, first
studying mathematics, then studying and graduating in natural sciences
in 1870. Studied medicine at St. Georges Medical School, London,
earning M.B. in 1875, but did not practice medicine.
Darwin
nominated Francis to the Linnean Society in 1875 and promoted a paper
Francis sent to the Royal Society. He became a botanist specializing in
plant physiology. He helped his father with his experiments on plants
and was of great influence in Darwin's writing of "The Power of
Movement in Plants" (1880). He was made a Fellow of the Royal Society
in 1879, and taught at Cambridge University from 1884, as a Professor
of Botany, until 1904.
He married Amy Ruck but she
died when their first child, Bernard, was born in September of 1876.
Bernard was raised by Emma and Charles Darwin, his grandparents.
Francis married Ellen Crofts in September of 1883, and they had one
daughter, Frances in 1886.
He edited many of Darwin's correspondence and published "Life and Letters of Charles Darwin" in 1887, and "More Letters of Charles Darwin" in 1903. He also edited and published Darwin’s Autobiography.
Francis was knighted in 1913.
- Leonard – b.1850 d. 1943. Leonard considered himself the stupidest of the
children. He was sent to Clapham School in 1862 and joined the army
after school. Attended Woolwich Military Academy and trained as
military engineer.
He became a
soldier in the Royal Engineers in 1871, and was a Major from 1890
onwards. He taught at the School of Military Engineering at Chatham
from 1877 to 1882, and served in the Ministry of War, Intelligence
Division, from 1885-90.
Leonard married Elizabeth
Fraser in July of 1882. Later he married Charlotte Mildred Massingberd
(1868–1940), but had no children with either wife.
Leonard later became a Liberal-unionist MP for the town of Lichfield in Staffordshire 1892-95.
He was interested in photography and surveying. [Browne, Power, p.333] He was an officer of the Royal Geographical Society from 1908 to 1911 and then its President.
He
was Chairman of the British Eugenics Society between 1911 and 1928.
Served as President of the First International Congress of Eugenics in
1912.


- Horace – b. 1851 d. 1928. His schooling was interrupted by illness. Around
1860 the apparent illness may have been motivated by feelings for
Camilla Ludwig, the Darwin’s young German governess. He had a tutor
before entering Trinity College in 1868. He graduated in 1874, later
than normally expected. Horace suffered from self-doubts about his
abilities.
Horace was also a
designer of scientific instruments. In 1885 he founded the leading
instrument maker Cambridge Scientific Instrument Company.
He
was the Mayor of Cambridge from 1896-97, and was made a Fellow of the
Royal Society in 1903. Horace married Emma Farrer in January of 1880
and they had three children.
- Charles Waring – b. 1856 d. 1858. Died of scarlet fever.
Sourses and Further reading :
Charles Darwin et al.
Keynes, Randal, Darwin, His Daughter & Human Evolution, Riverhead Books, New York, 2002
The Children of Charles & Emma Darwin
Browne, Janet. Charles Darwin.Voyaging. Volume 1 of a biography. New York: Alfred A. Knopf, 1995.
The Darwin Correspondence Online Database