Well according to Final Fantasy wiki, http://finalfantasy.wikia.com/wiki/G...al_Fantasy_XII)
Excalipur - The Final Fantasy Wiki has more Final Fantasy information than Cid could research

I'd say say the identity of the swords are

1. Orichalcon
2. Excalipoor
3. Tournesol
4. Zantetsuken
5. Buster Sword
6. Gunblade
7. Brotherhood
8. Wrymhero Blade