Sigbergsson
nafnorð karlkyn Föðurnafn
Fallbeygingar
Eintala
nefnifall
Sigbergsson
þolfall
Sigbergsson
þágufall
Sigbergssyni
eignarfall
Sigbergssonar
Fleirtala
nefnifall
Sigbergssynir
þolfall
Sigbergssyni
þágufall
Sigbergssonum
eignarfall
Sigbergssona