[4] His elder brother Richard Budworth played international rugby union football for England.
[6] In October that year he was appointed Adjutant of the Honourable Artillery Company of London (HAC), and on 12 January 1900 he commissioned as a captain in the HAC company of the City of London Imperial Volunteers (CIV) bound for service in the Second Boer War.
[9] During the First World War, he was General Sir Henry Rawlinson's senior artillery adviser, at IV Corps (October 1915 to March 1916) and at Fourth Army from May 1916, when he was promoted to major general,[10] until the Armistice in November 1918.
[11] He played a key role in the Allied Hundred Days Offensive at the Battles of Hamel, Amiens, and the final attack on the Hindenburg Line.
[13] In 1919 Budworth, having been promoted to major general in January,[14] was appointed to command 59th (2nd North Midland) Division, which trained drafts for service in Egypt and the Black Sea until it was demobilised.