Siward Biornsson Earl Of NORTHUMBERLAND was born about 1020 in Denmark; died in 1055 in Yorkshire, England; was buried in Galmanho Abby, York, Yorkshire, England.
Waltheof II (1.Siward1) was born about 1045 in Northumberland, England; died on 31 May 1076 in Executed; was buried in Crowland, Lincolnshire, England.