Explore details about location Marjorie St. Ext.. Marjorie St. Ext. is a location situated within the Johannesburg Ward 57 alongside other areas such as Steelpoort Street, South Rand Road, Aschmann Road. Additionally, some smaller parts of Marjorie St. Ext. include specific areas like Old Heidelberg Road N, Wemmer Pan Road, Rosetta Street adding to the diversity of its landscape.