- Father: Jon OLAFSSON
- Birth: ABT 1414, Modruvellir, Eyjafjardar, Iceland
- Death: ABT 1492
- Partnership with: (Unknown)
Ancestors of Sigurdur JONSSON
/-Sigurdur GUDMUNDSSON
/-Olafur SIGURDSSON
| \-Solveig MAGNUSDOTTIR
/-Jon OLAFSSON
| | /-Brynjolfur BJORNSSON
| \-Jorunn BRYNJOLFSDOTTIR
Sigurdur JONSSON
Descendants of Sigurdur JONSSON
1 Sigurdur JONSSON
=(Unknown)
2 Ari SIGURDSSON
=Elin MAGNUSDOTTIR
3 Jon ARASON
=Helga SIGURDSDOTTIR
4 Sigurdur JONSSON
=Gudrun MARKUSDOTTIR
4 Bjorn JONSSON
=Steinunn JONSDOTTIR Marriage: 25 APR 1533, Melstadur, Vestur Hunavatn, Iceland