Sigrid was the daughter of unknown parents. The date and place of her birth have not been found.
She had two marriages/partners. Her first husband was Thorolf Kveldulfsson, who she married in 1000. The place has not been found. They had no known children.
Her second husband was Eyvindr Lambi, who she married in 1001. The place has not been found. Their two known children were Finn (?-?) and Geirlaug (?-?).
Note 1
Thorolf's widow