sentences:  His wife Sofia (1756–1777) died in childbirth; Elcho left no legitimate children and when he died in Paris in 1787, his property passed to a younger brother.His record of the 1745 Rising or "A short account of the affairs of Scotland in the years 1744, 1745, 1746", is now considered a key contemporary source for the Rising.David Wemyss, Lord Elcho was born on 21 August 1721 at Wemyss Castle in Fife, eldest son of James Wemyss, 5th Earl of Wemyss and Janet Charteris (died 1778).