This Temple [Isis-Urana No.3] was consecrated as a successor to Hermanubis No.2 which had ceased to exist , owing to the decease of all its Chiefs.
The Temple No. 1 of Lichte, Liebe, Leben is a group of continental mystics who have not been in the habit of performing ceremonies in open lodge…
‘Historical Lecture’ of the Golden Dawn[1]
The origins of the Hermetic Order of the Golden Dawn, the wellspring of almost all modern occult thought and practice, is a matter of some controversy. The Golden Dawn was founded on the discovery of a manuscript in cipher that, when subsequently deciphered, formed the basis of its ritual. Where this ritual ultimately originated is a mystery as is the role of an address that was found with the manuscript, an address of a Rosicrucian adept in Germany who was to give permission for the ‘re-establishment’ of an English branch of the Order.
http://www.mastermason.com/luxocculta/golden.htm