He was the son of
John Langston of
Sarsden House, Oxfordshire, and his wife, Sarah. He was educated at
Eton College (1811). He matriculated at
Christ Church, Oxford in 1814, graduating DCL in 1819. In 1812 Langston succeeded his father, inheriting the Sarsden estate. He was appointed
High Sheriff of Oxfordshire for 1819–20 and verderer of
Wychwood Forest. Langston served as MP for
New Woodstock from 1820 to 1826 and
Oxford from 1826 to 1834 and from 1841 to 1863. He died in 1863. He had married the Hon. Julia Moreton, the daughter of Thomas Reynolds Moreton, 4th Baron Ducie. They had one daughter who survived into adulthood,
Julia, to whom he bequeathed his Oxfordshire estate. In 1849 she married her cousin
Lord Moreton, later 3rd Earl of Ducie. ==References==