Gefjunarson
nafnorð karlkyn Móðurnafn
Fallbeygingar
Eintala
nefnifall
Gefjunarson
þolfall
Gefjunarson
þágufall
Gefjunarsyni
eignarfall
Gefjunarsonar
Fleirtala
nefnifall
Gefjunarsynir
þolfall
Gefjunarsyni
þágufall
Gefjunarsonum
eignarfall
Gefjunarsona