- Partnership with: Thorhildur THORKELSDOTTIR
Marriage: ABT 942, Isafjardar, Iceland
- Child: Brandur THORGRIMSSON Birth: ABT 943, Bjarnarhofn, Snaefellsnes, Iceland
- Child: Styr "Viga-Styr" THORGRIMSSON Birth: 945, Hraun, Helgafell, Snaefellsnes, Iceland
- Child: Vermundur THORGRIMSSON Birth: ABT 950, Vatnsfjordur, Isafjardar, Iceland
Ancestors of Thorgrimur KJALLAKSSON
/-Ketill "Flatnefur" "Flatnose" BJORNSSON
/-Bjorn "Eastman" KETILSSON
| \-Ingveld KETILSDATTER
/-Kjallak BJORNSSON
| \-Gjaflaug KJALLAKSDOTTIR
Thorgrimur KJALLAKSSON
| /-Hrolfur STEINOLFSSON
\-Astridur HROLFSDOTTIR
| /-Einar Egðski SNJALLSSON
\-Andatt EINARSDOTTIR
\- ASTRID
Descendants of Thorgrimur KJALLAKSSON
1 Thorgrimur KJALLAKSSON
=Thorhildur THORKELSDOTTIR Marriage: ABT 942, Isafjardar, Iceland
2 Brandur THORGRIMSSON
=Thorhildur SOLVADOTTIR Marriage: Krossnes, Snaefellsnes, Iceland
3 Thorkell BRANDSSON
=(Unknown)
4 Gudrun THORKELSDOTTIR
=Skeggi THORHALLSSON
2 Styr "Viga-Styr" THORGRIMSSON
=Thorbjorg THORSTEINSDOTTIR
3 Asdis STYRSDOTTIR
=Snorri THORGRIMSSON
4 Thorsteinn (Thorskabitur) SNORRASON
=Ingveld THORGEIRSDOTTIR
2 Vermundur THORGRIMSSON
=Thorbjorg OLAFSDOTTIR Marriage: ABT 999, Vatnsfjord, Dala, Iceland
3 Halgerdur VERMUNDSDOTTIR
=Gisli EYJOLFSSON Marriage: ABT 1047, Vatnsfjordur, , Hunavatn, Iceland
4 Thora GISLADOTTIR
=Brandur THORODDSSON Marriage: ABT 1069, Vatnsfjordur, , Hunavatn, Iceland
