sentences:  The Stirling family's historic connection with Dumbarton Castle continued into the twentieth century when in 1927 Sir George Stirling of Glorat was appointed keeper of the castle.Stirling of Garden was Lord Lieutenant of Stirling and Falkirk (until 2005).Sir David Stirling of the Stirling of Keir branch of the clan was the founder of the British special forces regiment, the Special Air Service, in World War II.