ST. JOHN, Ambrose (1760-1822), of Prior Park, Berks. and The Close, Winchester, Hants.
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Family and Education
b. 27 Sept. 1760, 1st s. of Very Rev. the Hon. St. Andrew St. John, dean of Worcester, 2nd s. of John, 10th Baron St. John, by Sarah, da. of Thomas Chase of Bromley, Kent. educ. Christ Church, Oxf. 1777, I. Temple 1776, called 1784. m. 22 Feb. 1790, Arabella, da. of Sir James Hamlyn*, 1st Bt., of Clovelly Court, Devon, 2s. 5da. suc. fa. 1795.
Capt. Worcs. militia 1793, lt.-col. commdt. (supp.) 1798, 1806.
St. John was called to the bar in 1784, but he apparently never practised. He was a trustee of the estate of his young kinsman Lord Clinton, patron of Callington, which provided him with a seat there on a vacancy in 1803. St. John silently supported Addington’s and Pitt’s administrations: he was at first listed ‘doubtful’, then twice as a supporter, 1804-5. He voted against Whitbread’s censure motion on Melville, 8 Apr. 1805.
On 2 Nov. 1805 he wrote to Pitt asking to become deputy commissary general of musters—describing himself as a ‘zealous supporter of your measures’. He received, according to the endorsem