Siggeirsson
nafnorð karlkyn Föðurnafn
Fallbeygingar
Eintala
nefnifall
Siggeirsson
þolfall
Siggeirsson
þágufall
Siggeirssyni
eignarfall
Siggeirssonar
Fleirtala
nefnifall
Siggeirssynir
þolfall
Siggeirssyni
þágufall
Siggeirssonum
eignarfall
Siggeirssona