Name, year and place of birth from:
https://www.geni.com/people/Bjørn-Hallvardson-til-Knive/6000000001597999085

Year of birth circa 1460 according to the “Monrad and Bang Tree” provided by Julie Bourke (nee McColl) received in the post on 22 May 2017. Julie compiled the tree from information she found on the Internet. Julie is the great-granddaughter of Emma Caroline Horneman. Emma Caroline Horneman’s x3 great grandmother was Bodil Birgitte Monrad b.1701.