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Johann Andreas Frerichs (1799–1866) was a German, who together with his brother Johann Heinrich Frerichs settled in the United Kingdom, where he founded the De Jersey & Co., a firm in the textile industry.[1]
He moved to Cheltenham, firstly to a house in Landsdown Place, then he had Thirlestaine Hall built by the architects Rainger, Stride and Jones. He moved there after 1857.[1]
His daughter, Lucy Sophia married Count Eric Stenbock, and Johann's grandson Eric Stenbock was born in Thirlestaine Hall.