James St Clair Scottish soldier and Whig politician (1688–1762) Parents Grizel Cockburn Henry St. Clair, 1st/10th Lord Sinclair Children Siblings John St Clair, Master of Sinclair Henry St. Clair unknown daughter St. Clair Grizel St. Clair David St. Clair Catherine St. Clair Elizabeth St. Clair Margaret St. Clair William St. Clair Matthew St. Clair Partners Janet Dalrymple