mark , ▁also ▁O la f ▁IV ▁of ▁Norway ▁Ol uf ▁Har ald sen ▁( d ied ▁c .   1 1 4 3 ), ▁Dan ish ▁no blem an ▁who ▁ruled ▁Sc ania ▁for ▁a ▁few ▁years ▁from ▁ 1 1 3 9 ▁Norway ▁O la f ▁Har ald sson ▁Ge irst ad alf , ▁pet ty ▁king ▁ ▁O la f ▁I ▁of ▁Norway ▁Try gg v ason , ▁ 9 6 9 ▁– ▁ 9 ▁September ▁ 1 0 0 0 ▁O la f ▁II ▁of ▁Norway , ▁or ▁Saint ▁O la f , ▁ruled ▁ 1 0 1 5 – 1 0 3 0 ▁O la f ▁III ▁of ▁Norway , ▁king ▁ 1 0 6 7 – 1 0 9 3 ▁O la f ▁Magn us son ▁( former ly ▁IV ) ▁of ▁Norway , ▁ 1 1 0 3 – 1 1 1 0 ▁O la f ▁IV ▁of ▁Norway , ▁king ▁ 1 3 7 0 ▁– ▁ 2 3 ▁August ▁ 1 3 8 7 ; ▁was ▁also ▁O la f ▁II ▁of ▁Den mark ▁Sweden ▁O la f ▁of ▁Sweden ▁( disambiguation ) ▁( I , ▁II ▁and ▁III ) ▁ ▁Nor se - G ael ic ▁Not ▁all ▁the ▁following ▁were ▁strictly ▁Nor se - G a els , ▁but ▁they ▁share ▁the ▁most ▁common ▁Nor se - G ael ic ▁names . ▁ ▁O la f ▁the ▁Black , ▁ 1 3 th - century ▁Nor se ▁king ▁ ▁Am la í