Hallgilsson
nafnorð karlkyn Föðurnafn
Fallbeygingar
Eintala
nefnifall
Hallgilsson
þolfall
Hallgilsson
þágufall
Hallgilssyni
eignarfall
Hallgilssonar
Fleirtala
nefnifall
Hallgilssynir
þolfall
Hallgilssyni
þágufall
Hallgilssonum
eignarfall
Hallgilssona