Borgþórsson
nafnorð karlkyn Föðurnafn
Fallbeygingar
Eintala
nefnifall
Borgþórsson
þolfall
Borgþórsson
þágufall
Borgþórssyni
eignarfall
Borgþórssonar
Fleirtala
nefnifall
Borgþórssynir
þolfall
Borgþórssyni
þágufall
Borgþórssonum
eignarfall
Borgþórssona