...If Ingolf hadn't sired any male heirs and the Act of Succession hadn't been altered in 1953, who would have been Ingolf's heir? The Norwegians or the Greeks?
King Haakon unilatterally renounced his Danish succession rights on 27 Nov 1905 for himself and Crown Prince Olav - see http://www.hoelseth.com/royalty/norway/documents.html
RW520