Thorolf was the son of Kveldulf Bjalfsson and Salbjorg Karadottir. The date and place of his birth have not been found.
His wife was Sigrid de Sandes, who he married in 1000. The place has not been found. They had no known children.
Thorolf Kveldulfsson
Kveldulf Bjalfsson
Salbjorg Karadottir
Berle-Kari
Vermund