To secure his claim to Raumarike , Halfdan first defeated and killed the previous ruler , Sigtryg Eysteinsson , in battle .
Halfdan next is said to have subdued an area called Raumarike .
To secure Halfdan 's claim Raumarike Raumarike , Halfdan first defeated and killed the previous ruler , Sigtryg Eysteinsson , in battle .
Halfdan next is said to have subdued an area called Raumarike .