John Frederick sat at West Looe as a Government candidate. During the years 1755-60 he repeatedly applied to Newcastle for office: a clerkship of the Green Cloth (25 Feb. 1755, and 1 May 1759), a place at the Board of Trade (20 May 1756, and 7 May 1759), the keepership of the records at the Tower (24 June 1755), etc.;
I am credibly informed the Administration is to be formed tomorrow, which must occasion many vacancies. I can no longer forbear to put your Grace in mind that I expect at this time performance of the repeated promises you have given me and which you must be conscious of. I have been your faithful friend, and I cannot now be amused by specious words. To be neglected I neither deserve, or can I submit to it. Your Grace’s answer will determine me.
And on 1 May 1759:
Meantime he was trying to establish an interest of his own at West Looe against the Bullers, the Government managers who came more and more to control the borough. He was worsted,
He died 9 Apr. 1783.
