Some articles on ulfr:

Ingvar Runestones - Södermanland - Sö 9
... to emphesize salvation the text meaning "may God help Ulfr's soul" surrounds the cross ... "Bergviðr/Barkviðr and Helga, they raised this stone in memory of Ulfr, their son ... May God help Ulfr's soul." ...
England Runestones - Uppland - U 344
... Since there were many years between the danegelds, it is likely that Ulfr returned to Sweden after each danegeld to live as a wealthy magnate ... Latin transliteration in ulfr hafi o