Jonathansson
nafnorð karlkyn Föðurnafn
Fallbeygingar
Eintala
nefnifall
Jonathansson
þolfall
Jonathansson
þágufall
Jonathanssyni
eignarfall
Jonathanssonar
Fleirtala
nefnifall
Jonathanssynir
þolfall
Jonathanssyni
þágufall
Jonathanssonum
eignarfall
Jonathanssona