At various times , Harald Gille , Sigurd Magnusson , Magnus Erlingsson and Jon Kuvlung were all proclaimed there to be contenders to the throne of Norway .
ADP ADJ NOUN , PROPN PROPN , PROPN PROPN , PROPN PROPN CCONJ PROPN PROPN AUX DET VERB ADV PART VERB NOUN ADP DET NOUN ADP PROPN .