Son of Andrew Langdon and Eunice King
http://www.marktwainproject.org/biographies/bio_langdon_jervis.html
"Jervis Langdon, a native of New York State, married Olivia Lewis in 1832, and the pair settled in Elmira, New York, in 1845. He became prosperous in the lumber business and then wealthy in the coal trade, which he entered in 1855. His extensive operations included mines in Pennsylvania and Nova Scotia, and a huge rail and shipping network supplying coal to western New York State, Chicago, and the Far West. An ardent abolitionist, Jervis Langdon served as a “conductor” on the Underground Railroad, and counted Frederick Douglass, whom he had helped to escape from slavery, among his friends. Jervis and Olivia Langdon had three children: Susan (who was adopted), Olivia (“Livy”), and Charles. Jervis approved Samuel Langhorne Clemen’s marriage to Livy despite his marked difference in social status. He lent Clemens one-half of the $25,000 needed to buy the Buffalo Express and gave the newlyweds a house in Buffalo. He died in 1870 of stomach cancer, leaving bequests totaling $1 million. Livy’s inheritance was to remain central in the life of the Clemens family."
https://en.wikipedia.org/wiki/Quarry_Farm
Jervis Langdon, born in 1809 in New York,[1][2] was a businessman in coal. He died just a few months after his daughter, Olivia, married Samuel L. Clemens (Mark Twain).[3]
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Featured German connections: Jervis is 21 degrees from Johann Wolfgang von Goethe, 22 degrees from Dietrich Bonhoeffer, 23 degrees from Lucas Cranach, 16 degrees from Stefanie Graf, 21 degrees from Wilhelm Grimm, 21 degrees from Fanny Hensel, 25 degrees from Theodor Heuss, 16 degrees from Alexander Mack, 32 degrees from Carl Miele, 15 degrees from Nathan Rothschild, 23 degrees from Hermann Friedrich Albert von Ihering and 21 degrees from Ferdinand von Zeppelin on our single family tree. Login to see how you relate to 33 million family members.
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thanks!