Built as a town house for the first Earl of Onslow. George Onslow in the beginning of 18th centuary. A peer and politician taking several ancient positions in the Royal Household George was known as ‘Black George’ because of his scheming ways. Walpole describes Onslow as ‘a noisy, indiscreet man’
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Married to Henrietta Shelley. They had four sons and a daughter together between 1745 and 1760 but three died in childhood. Their 4th son Edward caused a scandal when he was accused of making homosexual advances to someone called “Phelim Macarty’ at the Royal Academy Exhibition. A liked politician unlike his father he was forced to resign and fled to France in 1781.
George Onslow was a friend of George IV Prince of Wales, (later the Prince Regent ) and attended his secret wedding to twice-widowed Catholic Maria Fitzherbert in 1785.
References
https://lgbthistoryuk.org/wiki/Edward_Onslow
https://en.m.wikipedia.org/wiki/George_Onslow,_1st_Earl_of_Onslow