The above translates to "Paarthurnax was what it dragon war?" The effort to ask your question in Dovahzul is appreciated, but you might have better luck asking in English.

Rok lost kosaan lieutenant. hi tinvaatey keizaal? Vir wah saag lieutenant ko Dovah tinvok? 

You might be able to say rel-zeymah "rule-brother," or konahrik-zeymah "warlord-brother" to reference a second-in-command. 

K