Richard Hannay returns to the front lines and participates in desperate fighting following the Germans' massive, last-ditch effort to win the war. Soon after the end of the war, Hannay marries Mary Lamington, and the following year they have a son, Peter John Hannay. The boy is named after Hannay's two great friends John Scantlebury Blenkiron (an American businessman and spy who had often helped him) and Peter Pienaar ("Mr Standfast"), an old Boer scout who seems to have been a kind of father-figure to him. The family settles in Mary's old home in the Cotswolds, Fosse Manor, Oxfordshire and Hannay (now
Clan Hannay lands of Kirkdale which were in the Stewartry of Kirkcudbright. His son was John Hannay of Kirkdalewho established the line which is today recognised by the Lord Lyon King of Arms as the chief of the name and arms of Hannay. A younger son of Hannay of Kirkdale was Alexander Hannay who was a professional soldier, administrator and adventurer, who amassed a substantial personal fortune in 18th Century India, rising to the rank of colonel. His elder brother was Sir Samuel Hannay of Kirkdale who succeeded to the title and estates of his kinsman, Sir Robert Hannay of Mochrum, Baront.