Seward, Earl of Northumbia, son of Biorn Styrbiornson and Mrs. Biorn Styrbiornson.
Born ± 978 at ,, Scotland
Married ± 1013 at of, , Scotland to:
Mrs. Seward, Countess of Northumbia
Born ± 982 at of, Northumbia, Scotland
1. Sibyl FitzSiward, Queen of Scotland , Queen of Scotland
Born ± 1014 at of, Northumberland, England, died 1040, approximately 26 years