Kammala wannan jumla: Gordon-Lennox ya yi karatu a Eton. Ya yi aiki a cikin Royal Navy tsakanin 1862 <unk> 1965. A cikin 1867, ya shiga 1st Life Guards kuma, a cikin 1867, an canza shi zuwa Grenadier Guards. Ya yi aiki tare da 2nd Batt. 'Yan tsaron Grenadier a cikin
Yaƙin Masar [Yaƙin Anglo-Masar] a 1882. Ya kasance "Aide-de-Camp" ga Yarima George, Duke na Cambridge, 1883 <unk> 95. Ya yi aiki a Afirka ta Kudu a 1900 a matsayin Sakataren Soja ga Sir Alfred Milner, kuma daga baya a kan ma'aikatan Hugh Trenchard, 1st Viscount Trenchard.