*Biorn\Bjorn Ulsiusson Estridsen

*Biorn\Bjorn Ulsiusson was born in 0975 in Denmark.  *Biorn\Bjorn Ulsiusson's father was *Ulf Thorgilsson and his mother was *Estrid Margaret. He had three brothers named Svend II, Asbjorn and Niels.  He was the oldest of the four children.  He died at the age of 70 in 1045.

He had a biological son named *Siward.