Background
Born at Seabrook near Northam in Western Australia, he was the son of Edmund Ralph Brockman, gentleman-farmer, and Elizabeth Deborah née Slade.
Born at Seabrook near Northam in Western Australia, he was the son of Edmund Ralph Brockman, gentleman-farmer, and Elizabeth Deborah née Slade.
He was educated at Bishop Mathew Hale"s school and articled in 1878 to surveyor J. South. Brooking.
Geoffrey (1885–1977), an engineer,
Karl (since 1891), a Rhodes Scholar, soldier and judge
Edmund (1884-1849), soldier, politician and judge
Deborah (1887–1965), a mining company director and welfare worker, subsequently Lady Hackett and later Lady Moulden. In 1901, Drake-Brockman with eleven companions, explored previously uncharted areas in the Kimberley region. Drake-Brockman was appointed Surveyor-General in June 1915.