Henry St. Clair, 1st/10th Lord Sinclair (born 1660) (b. 1660) Parents Catherine Sinclair, Mistress of St. Clair John St. Clair of Hermanston Children Elizabeth St. Clair Matthew St. Clair David St. Clair Margaret St. Clair James St Clair Catherine St. Clair John St Clair, Master of Sinclair Henry St. Clair Grizel St. Clair William St. Clair unknown daughter St. Clair Siblings John St. Clair Mary St. Clair Partners Grizel Cockburn