Kollur married Thorhildur Thorsteinsdottir in 899 in Höskuldsstaðir, Austur-Húnavatnssýsla, Northwestern Region, Iceland. Thorhildur (daughter of King Thorstein of Alba and Thorida Eyrindsdottir) was born in 872 in Hvammstangi, Vestur-Húnavatnssýsla, Northwestern Region, Iceland; died about 930 in Hvammstangi, Vestur-Húnavatnssýsla, Northwestern Region, Iceland; was buried about 930 in Iceland. [Group Sheet] [Family Chart]