Yes, he had one daughter
what philosophies influenced john langdon?
John Langdon Down died in 1896.
John Langdon Sibley died in 1885.
John Langdon Sibley was born in 1804.
John Langdon-Davies was born in 1897.
John Langdon-Davies died in 1971.
John Langdon Parsons was born in 1837.
John Langdon Parsons died in 1903.
John Langdon Down was the first person to discover down syndrome.
John Langdon and a dog
John Langdon - politician - was born on 1741-06-26.
John Langdon - politician - died on 1819-09-18.