- Birth: 1374, Of, , , Iceland
- Partnership with: Miss- OLAFSSON
Marriage: ABT 1405, Of, , , Iceland
- Child: Helgi GUDNASSON Birth: 1406, Of Akrar, Miklibaer, Skagafjardar, Iceland
Descendants of Gudni SAEMUNDSSON
1 Gudni SAEMUNDSSON
=Miss- OLAFSSON Marriage: ABT 1405, Of, , , Iceland
2 Helgi GUDNASSON
=Kristin THORSTEINSDOTTIR Marriage: ABT 1437, Of, , , Iceland
3 Thorstein HELGASSON
3 Thorsteinn HELGASON
=Ragnheidur EIRIKSDOTTIR
4 Eirikur THORSTEINSSON
=Ragnhildur EINARSDOTTIR
4 Sigridur THORSTEINSDOTTIR
=Petur LOPTSSON
3 Ingveldur HELGADOTTIR