Johan G Celliers was born on 12 July 1861 at Fraserburg and grew up on the Kimberley diamond mines and start working at Zeerust as a clerk.
During the first Freedom war of 1880/1 he fought in the Marico commando under veldcornet J.H. de la Rey.
He was also a postmaster-general and when gold was discovered in the Witwatersrand he moved there.
In October 1899 he went with the police commando of Krugersdorp to the Natal front and then to the Cape. After the death of Gereral Lemmer in December 1900 he took over the Lichtenburg and Zeerust commando,s of about 1000 men.
In the Western Transvaal he fought with General J.C. G. Kemp and was severly wounded on $ March 1901 near Lichtenburg.
He also fought at Hartbeesfontein near Klerksdorp, at Marico and on 24 October 1901 near Zeerust..
With General De la Rey they fought at Ysterspruit between Klerksdorp and Wolmaranstad against Colonel Anderson and caught a British convoy of 150 men at Jagspruit and took cannons, wagons, oxen, mules and horses from the British.
Of the 16 burghers that died 11 was part of Celliers commando. He also fought at Rooiwal on 11 April 1902 with General Kemp and was part of the peace negotiations at Vereeniging