Duncan Forbes was born in 1644 during the 1638 to 1651 Wars of the Three Kingdoms, eldest son of John Forbes, of Culloden House near Inverness, and his wife Anna Dunbar. He had six siblings, David, Jonathan, John, Jean, Naomi and Alexander. In 1668, he married Mary Innes, daughter of Sir Robert, 2nd Baron Innes, who built Innes House, near Elgin. They had nine children, including John, Jean, Margaret and Duncan ; little is known of the other five.
Career
In 1656, Forbes enrolled at Marischal College, Aberdeen, before moving to the University of Bourges in France a year later; he also spent time in Paris. In this period, lack of suitable legal training at home meant Scots seeking to practice law often studied at Bourges, Paris or Orléans. The Forbes and Dunbars were prominent in local government, his father and other members of the family serving as Provost or Mayor of Inverness. However, his marriage to Marie Innes was a significant step up in the social scale; in 1812, the sixth baronet became Duke of Roxburghe. Forbes compiled a genealogy of his wife's family in 1698, titled 'Ane account of the familie of Innes', which was used by later writers. Forbes represented Nairnshire in the Scottish convention held from June to July 1678; 'Conventions' were identical to the Parliament of Scotland in composition but only discussed specific issues, in this case approving taxes. In 1673, it became public that James, then Duke of York, had converted to Catholicism; as heir to his brother Charles II, this caused great concern and led to the 1679 to 1681 Exclusion Crisis in England. There was more support for James in Scotland; Forbes was a member of the 1681 Parliament, which passed the Scottish Succession Act, confirming James' right to the throne, 'regardless of religion' and obliged all officials to support him. However, the Test Act passed at the same time added the qualifier they also 'uphold the true Protestant religion.' Tolerance for James' personal beliefs did not extend to Catholicism in general, a distinction he failed to appreciate and ultimately led to his deposition in 1688. James succeeded as king in February 1685 Forbes was not elected to the 1685 Parliament, which was dissolved in 1686 when it refused to pass After James was deposed in the 1688 Glorious Revolution, Forbes was elected Commissioner for Invernessshire in the April Convention of Estates, held to settle the Scottish throne. A devout Presbyterian Of the 125 delegates elected, 75 were classed as Presbyterian, 50 as Episcopalian, making the Convention a contest over control of the Church of Scotland, as well as the limits of Royal authority. and in the parliament of 1689–1702, and Nairnshire in the parliament of 1702. He died in 1704.
