- Father: Grim HJALDURSSON
- Birth: ABT 770, Sogn Og Fjordane, Norway
- Birth: ABT 770
- Death: 820
Ancestors of Bjorn "Buna" GRIMSSON
/-Vatnarr VIKARSSON
/-Hjalldur VATNARSSON
/-Grim HJALDURSSON
| \-Hervor HELGADATTER
Bjorn "Buna" GRIMSSON
Descendants of Bjorn "Buna" GRIMSSON
1 Bjorn "Buna" GRIMSSON
=Velaug VIKINGSDATTER
2 Hrapp BJORNSSON
=(Unknown)
3 Orlyg HRAPPSSON
=Isgerdur THORMODSDOTTIR
4 Velaug ORLYGSDOTTIR
=Gunnlaugur HROMUNDSSON
4 Valthjofur ORLYGSSON
=(Unknown)
3 Thordur HRAPPSSON
=Vilborg OSVALDSDOTTIR Marriage: ABT 873, Iceland Marriage: ABT 873
4 Helga THORDARDOTTIR
=Ketilbjorn KETILSSON Marriage: ABT 894, Skalholt, Arness, Iceland
4 Thuridur THORDARDOTTIR
=Eirikur HROALDSSON Marriage: ABT 901, Hunavatn, Iceland
2 Ketill "Flatnefur" "Flatnose" BJORNSSON
=Ingveld KETILSDATTER Marriage: ABT 849, Norway
3 Aud (Unn) "Deep Minded" KETILSDATTER
=Olof "the White" "Hviti" INGJALDSSON Marriage: ABT 857, Dublin, Ireland
4 Jocunda OLAFSDATTER
4 Thorsteinn OLAFSSON
=Thuridur EYVINDSDOTTIR Marriage: ABT 868, Dala, Iceland Marriage: ABT 869, Iceland
3 Jorunn "Manvitsbrekka" KETILSDOTTIR
=(Unknown)
4 Ketill JORUNSSON
=(Unknown)
3 Thorunn "Hyrna" KETILSDOTTIR
=Helgi EYVINDSSON Marriage: ABT 869, Eyjafjardar, Iceland
4 Helga HELGADOTTIR
=Audunn "Rotinn" THOROLFSSON
4 Ingunn HELGADOTTIR
=Hamundur HJORSSON
4 Hrolfur HELGASON
=Thorarna THRANDARSDOTTIR
4 Ingjaldur HELGASON
=Salgerdur STEINMODSDOTTIR Marriage: ABT 899, Thvera, Eyjafjardar, Iceland
3 Bjorn "Eastman" KETILSSON
=Gjaflaug KJALLAKSDOTTIR Marriage: ABT 872
4 Kjallak BJORNSSON
=Astridur HROLFSDOTTIR Marriage: ABT 899, Iceland
4 Ottar BJORNSSON
=Groa GEIRLEIFSDOTTIR Marriage: ABT 929, Iceland
3 Helgi (Bjolan) KETILSSON