Prince Bjorn Duke of Vestfold

Prince Bjorn Duke of was born in 0899.  Prince Bjorn Duke of's father was King Harald I of Norway and his mother was Queen Swanhild of Norway.  His paternal grandparents were Duke Halfdan III of Vestfold and Princess Ragnhild of Vestfold. He had two brothers named Prince Olav Duke of and Prince Ragmar Duke of.  He was the second oldest of the three children. He had eight half-brothers and three half-sisters, named Prince Segurd Duke of, Prince Halfdan of, Prince Ragnvald Duke of, Prince Dag Duke of, Prince Thorgils of, Prince Frode of, Prince Rorek of, Prince Sygtrygg of, Princess Gundrad of, Princess Ingegard of and Princess Alof of.  He died at the age of 35 in 0934.

He had a biological son named Duke Gundrod of.