The Orange River Convention (sometimes also called the Bloemfontein Convention) was a convention whereby the United Kingdom formally recognised the independence of the Boers in the area between the Orange and Vaal rivers, which had previously been known as the Orange River Sovereignty. This resulted in the formation of the independent Boer Republic of the Orange Free State. The convention was signed on 23 February 1854 at the Green Lodge in Bloemfontein. The convention did not state what the boundaries between the Basotho kingdom and the OFS were to be; this omission was the cause of much conflict in later years. The original portion of this dwelling dates from the 1840s and was built by Henry Green, Assistant Commissioner-General of the Orange River Sovereignty. Its subsequent residents have included Rev Andrew Murray, Judge AW Fawkes, and from 1925 to 1932 Chief Justice Jacob de Villiers. The dwelling was altered to its present form with Cape Dutch features in 1902, and was declared a National Monument under old NMC legislation on 3 August 1984.

Geolocation
-29° 7' 12", 26° 13' 1.2"
References
https://www.britannica.com/topic/Sand-River-and-Bloemfontein-conventions https://www.sahistory.org.za/dated-event/bloemfontein-convention-establishment-orange-free-state-signed-green-lodge https://www.sahistory.org.za/south-africa-1806-1899/basotho-wars-1858-1868 www.sahra.org.za/sahris/node/33232
Further Reading
www.sahistory.org.za/.../jacob-abraham-jeremy-japie-de-villiers-chief-justice-union-s. www.sahistory.org.za/.../judge-jacob-de-villiers-judge-appeal-court-south-africa-dies-.