Facts:   - dynasty: fairhair dynasty    - issue: sigurd -lrb- claimed -rrb- magnusson inge magnusson -lrb- claimed -rrb- erling steinvegg    - death place: fimreite    - succession: king of norway    - coronation: bergen , 1163/1164    - reign: 1161 -- 15 june 1184    - successor: sverre    - mother: kristin sigurdsdatter    - predecessor: inge i and haakon ii    - spouse: estrid bjørnsdotter    - death date: 15 june 1184 1156      - father: erling skakke    - birth date: 1156    - name: magnus erlingsson    - birth place: etne , hordaland   Based on these bullet points, write a short biography describing the life of magnus v of norway .
magnus v erlingsson -lrb- old norse : `` magnús erlingsson '' -rrb- -lrb- 1156 -- 1184 -rrb- was a king of norway during the civil war era in norway .