Sumarsveinsson

nafnorð karlkyn föðurnafn

Beyging

eintalafleirtala

án greinisán greinis

nf.Sumarsveinssonnf.Sumarsveinssynir

þf.Sumarsveinssonþf.Sumarsveinssyni

þgf.Sumarsveinssyniþgf.Sumarsveinssonum

ef.Sumarsveinssonaref.Sumarsveinssona