Sebastiansson
nafnorð karlkyn Föðurnafn
Fallbeygingar
Eintala
nefnifall
Sebastiansson
þolfall
Sebastiansson
þágufall
Sebastianssyni
eignarfall
Sebastianssonar
Fleirtala
nefnifall
Sebastianssynir
þolfall
Sebastianssyni
þágufall
Sebastianssonum
eignarfall
Sebastianssona