- Partnership with: Helga THORDARDOTTIR
Marriage: ABT 894, Skalholt, Arness, Iceland
- Child: Thorkatla KETILBJORNSDOTTI Birth: ABT 915, Hofdi, Skalholt, Arness, Iceland
- Child: Thorgerdur KETILBJORNSDOTTIR Birth: 905, Hofdi, Skalholt, Arness, Iceland
- Child: Teitur KETILBJORNSSON Birth: 895, Hofdi, Skalholt, Arness, Iceland
Ancestors of Ketilbjorn KETILSSON
Ketilbjorn KETILSSON
| /-Grjotgard HERLAUGSSON
| /-Haakon GRJOTGARDSSON
\-Asa HAKONARDOTTIR
Descendants of Ketilbjorn KETILSSON
1 Ketilbjorn KETILSSON
=Helga THORDARDOTTIR Marriage: ABT 894, Skalholt, Arness, Iceland
2 Thorkatla KETILBJORNSDOTTI
=Eilifur ONUNDSSON Marriage: ABT 939, Nordur Mula, Iceland
3 Thorir EILIFSSON
=(Unknown)
4 Thorarinn THORISSON
=Halldora EINARSDOTTIR Marriage: ABT 983, Hof i Vopnafirdi, Nordur Mula, Iceland
2 Thorgerdur KETILBJORNSDOTTIR
=Asgeir ULFSSON
3 Geir ASGEIRSSON
=Halla MARSDOTTIR
4 Vigdis GEIRSDOTTIR
=Sveinbjorn HRAFNKELSSON
2 Teitur KETILBJORNSSON
=Olof BODVARSDOTTIR
3 Jorunn TEITSDOTTIR
=Ellida-Grimur ASGRIMSSON
4 Asgrimur GRIMSSON
=Thordis BJORNSDOTTIR
4 Sigfus "Ellida" GRIMSSON
=Halldora REFSDOTTIR
3 Gissur TEITSSON
=Thordis THORODDSDOTTIR
4 Isleifur GISSURSSON
=Dalla THORVALDSDOTTIR
=Halldora HROLFSDOTTIR
4 Vilborg GIZZURSDOTTIR
=Hjalti SKEGGJASON