Hallgeirsson
nafnorð karlkyn Föðurnafn
Fallbeygingar
Eintala
nefnifall
Hallgeirsson
þolfall
Hallgeirsson
þágufall
Hallgeirssyni
eignarfall
Hallgeirssonar
Fleirtala
nefnifall
Hallgeirssynir
þolfall
Hallgeirssyni
þágufall
Hallgeirssonum
eignarfall
Hallgeirssona