He had accrued land and property from viking raids , and was a man of wisdom .
Ulf ( Kveldulf ) had Hallbjorn Halftroll as his maternal uncle , and was known for his surpassing size and strength .
Hallbjorn Halftroll had accrued land and property from viking raids , and was a man of wisdom .
Ulf ( Kveldulf ) had Hallbjorn Halftroll as his maternal uncle , and was known for his surpassing size and strength .