His coat of arms includes the Sverre arms and the Bjelbo arms .
Arms of King Haakon V Magnusson 's daughter 's son , King Haakon VI Magnusson , who was of the House of Bjelbo .
Haakon V Magnusson 's coat of arms includes the Sverre arms and House of Bjelbo Bjelbo arms .
Arms of King Haakon V Magnusson 's daughter 's son , King Haakon VI Magnusson , who was of the House of Bjelbo .