 Complete the following phrase:  Lionel Sadleir-Jackson was born on New Years Eve 1876 to Major Henry Sadleir-Jackson of Midleton, County Cork. He joined the South Staffordshire Regiment of the Militia as a second lieutet in 1896, and was promoted to lieutet in 1897. He later took a regular army commission in the 9th Lancers, reverting to second lieutet, aged 21 in May 1898. Shortly after receiving his regular commission he was dispatched to South Africa with his regiment to participate in the Second Boer War. During the war he was posted as a staff officer and saw extensive action, including at the battles of Belmont, Modder River and Magersfontein and Paardeberg, culminating in the 