Guðmundsson
nafnorð karlkyn Föðurnafn
Fallbeygingar
Eintala
nefnifall
Guðmundsson
þolfall
Guðmundsson
þágufall
Guðmundssyni
eignarfall
Guðmundssonar
Fleirtala
nefnifall
Guðmundssynir
þolfall
Guðmundssyni
þágufall
Guðmundssonum
eignarfall
Guðmundssona