- Partnership with: Ingibjorg ODDSDOTTIR
Marriage: ABT 1179, Raudasandi, VesturBardastron, Iceland
- Child: Gisli MARKUSSON Birth: ABT 1185, Saurbaer, Raudasandi, VesturBardastron, Iceland
Ancestors of Markus GISLASON
/-Ulfur SKEGGJASON
/-Thordur ULFSSON
| \-Helga EYJOLFSDOTTIR
/-Gisli THORDARSON
Markus GISLASON
\-Gudridur STEINGRIMSDOTTIR
\-Hallbera BARDARDOTTIR
Descendants of Markus GISLASON
1 Markus GISLASON
=Ingibjorg ODDSDOTTIR Marriage: ABT 1179, Raudasandi, VesturBardastron, Iceland
2 Gisli MARKUSSON
=Thordis GILLISDOTTIR
3 Loptur GISLASON
=Kristin FILLIPPUSDOTTIR
4 Filippus LOPTSSON
=Ingveldur NARFADOTTIR