Maj-Gen. Sir Graeme Alexander Sinclair-Lockhart of Castlehill and Cambusnethan, 10th Baronet

Biographical Summary

"Sir Graeme Alexander Sinclair-Lockhart, Baronet [S 1636] of Castlehill and Cambusnethan, co Lanark, cousin and heir male, being 5th but 1st surviving son of Robert Lockhart, of Castlehill and Cambusnethan, i.e. his 2nd son by his 2nd wife Charlotte Simpson, daughter of Capt. William Mercer, of Potterhill, which Robert (who died 2 November 1850), was son and heir of James Lockhart, formerly Sinclair, of Castlehill (an estate he inherited on the death, 5 May 1764, of his paternal uncle George Lockhart, formerly Sinclair), which James was next brother to the 6th, being 2nd son of the 5th Baronet. Major-Gen. Lockhart (to call him by the name under which in 1899 he was known), was born 23 January 1820; entered the army, 1837; Capt., 1850; Major, 1858; Lieut. Col., 1859; Col., 1866; retiring as Major-General, 1867. He served with 78th Highlanders in the Persian war, 1857, and in Indian Mutiny Campaign, 1857-58 (medal with clasp in both cases), C.B., 1861; succeeded to the Lanarkshire estate on the death of his brother in 1873; succeeded to the Baronetcy, 5 May 1899 and thereupon assumed the name Sinclair before that of Lockhart. He married in 1861, Emily Udny, daughter of James Brember, of Aberdeen, Advocate [S]."

SOURCE: Complete baronetage; Cokayne, George E. (George Edward); 1900; Vol. II; page 422-423

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• Burke, Bernard, Sir. A genealogical and heraldic history of the landed gentry of Great Britain & Ireland 6th ed. London : Harrison 1879. Vol II. page 979