- Partnership with: Arnbjorg ODDSDOTTIR
Marriage: ABT 1167, Valthjofstadir, Nordur Mula, Iceland
- Child: Jon SIGMUNDSSON Birth: ABT 1168, Svinafell, Hjaltastadur, Nordur Mula, Iceland
Ancestors of Sigmundur ORMSSON
/-Sigmundur THORGILSSON
/-Jon SIGMUNDSSON
| \-Halldora SKEGGJADOTTIR
/-Ormur JONSSON
| | /-Gils EINARSSON
| \-Thorny GILSDOTTIR
| \-Thorunn BJORNSDOTTIR
Sigmundur ORMSSON
| /-Arni GRIMSSON
\-Helga ARNADOTTIR
Descendants of Sigmundur ORMSSON
1 Sigmundur ORMSSON
=Arnbjorg ODDSDOTTIR Marriage: ABT 1167, Valthjofstadir, Nordur Mula, Iceland
2 Jon SIGMUNDSSON
=Groa TEITSDOTTIR
3 Thorarinn JONSSON
=Helga HELGADOTTIR
4 Thorvardur THORARINSSON
=Solveig HALFDANSDOTTIR