Little tidbit; there are currently 10 living Djukanim.

Imperus, natch.
Manadalthraxus, of course.
Alexander, King of the Iron Fist.
Great Healer Zyeka, also called Monarch of Healers though they don't like that at all.
Tristan, King of Assassins,
Amelia, Queen of Architects.
Yarrow, no title yet earned, reputedly an excellent artist.
Saradel, no title yet earned, known to be an excellent pilot.
Ventriss The Hermit, whereabouts unknown, infamous for trying to reject their heritage.
Eloise, Imperus' granddaughter, aged five.