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    "source_title": "Encyclopaedia Britannica (1911)",
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    "chunk_id": "1911:john campbell:7f0b75ac2c59",
    "title": "JOHN CAMPBELL",
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    "verified_text": "john campbell, 2nd earl of breadalbane (1662-1752), an eccentric nobleman, who was known as \"old rag,\" was succeeded by his only son, john (c. 1696-1782). this earl was a diplomatist, being british ambassador to denmark and to russia, and a politician, being for a long time a member of the house of commons and a supporter of sir robert walpole, in addition to holding several official positions. all his sons having predeceased their father, the title passed on his death, on the 26th of january 1782, to a cousin, john (1762-1834), who became 4th earl and was created a british peer as marquess of breadalbane in 1831. his son john, the 2nd marquess (1796-1862), a prominent leader of the free church during the ecclesiastical disputes in scotland, died without sons in november 1862. the marquessate now became extinct, but the scottish earldom passed to a cousin john alexander (1824-1871), whose son and successor, gavin (b. 1851), was created marquess of breadalbane in 1885. footnotes: [1] _memoirs_ of john macky (roxburghe club, 1895), 121. [2] _corr. of col. n. hooke_ (roxburghe, club, 1870), i. 49. [3] note by sir w. scott in sinclair's _mem. of insurrection in scotland_ (abbotsford club, 1858), 185.",
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