Also known as the Gabrionites
Gabrion Eusebos (b. to peasants in Retebius), rose to become Master of the Imperial Stables and then Giovanni II's Vestarios (Chamberlian) & advisor, Emperor (AC 876-898) as Gabrionus III the Unforgiving, m. Anna (Prothemian?) the widow of Giovanni II
1. Gabrionus IV the Conqueror, Emperor (AC 898-913), though some rumors have him as son of Giovanni II dies fighting a Fiend
1.1. Gabrionus V the Erudite (b.c. 896), Emperor (AC 914-960), killed by Alphatians during the Spike Assault
1.1.a. Gabriela, m. Thincol Torion
1.1.x. rest of family killed by Alphatians during Spike Assault

Though originally not Thyatian by blood, this is the family of the current emperor so it is listed here.
Tor & Liena in Oceansend
1. Thrainkell Torson, aka Thincol I Torion, Emperor (960-1012), resuces and m. Gabriela Eusebos
1.1. Eusebius (b. 961), Emperor (1012-present)
1.a. Stefania (b. 970)
1.b. Asteriela (b. 979)
a. ?, m. ? Firestorm
a.1. Donegal Firestorm, Grand Duke of Westrourke (AC 970)

Descend from Knight Heraclonian Chrysavian, 1st Count of Actius
Hamil Actavius, Count of Actius (?-989), lost at sea, m. Erlena McRhomaag
1. Geraldan Actavius (b. 949), Fleet Captain, Count of Actius (AC 989 to present), m. (971) Dalia Salieri (rich daughter of a renowned Kerendan musician)
1.1. Heraclius Actavius
1.2. ?
1.a. ?

Gustav Oesterhaus, Count of Hattias (c. 860-864)
1. Hansel the Peacemaker, Count of Hattias (c. 864-c.890)
1.1. Lucinius IV the Magefriend, Count of Hattias (c.890-c.930)
1.1.1. Lucinius V the Conjurer, Count of Hattias (c.903-c.913)
1.1.2. Zendrolion X the Strategist, Count of Hattias (c. 913-c.955)
1.1.2.1. Roman, Count of Hattias (c.955-967), m. Corinna Woolrich
1.1.2.1.1. Heinrich (b. 955), Count of Hattias (967/976-present)
1.1.2.2. Bernhard, Regent of Hattias for young Heinrich (967-976)