Her brother George enlisted as an officer, was stationed near London, England and moved his family, including Douglas, with him. Douglas was then invited to join the war effort by a family friend and decided to work in the War Office as a statistician.
Her sibling George became an officer and served near London, England, bringing his family, including Douglas, along. Eventually, Douglas was asked to contribute to the war effort by a relative and chose to work in the War Office as a statistician.