Families descended from one of the three stocks of the original Thyatian tribes- Thyatians, Kerendans, & Hattians.

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), rescues 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)

originally known as the III Tatriokanitas, this family of pro-Thyatian Hattians became Counts of Hattias (the first Hattian family to rule Hattias since the civil war) and eventually married into the throne.
1. Gabrionus I Tatriokanitas the Great, Count of Hattias (794-812)
1.1. Zendrolion IX the Republican, Count of Hattias (812-823)
1.1.a. Terentia III the Healer, Countess of Hattias (823-830)
1.1.1. Rudolph, aka Rudolvos Porphora, Count of Hattias (830-843), Co-Emperor (831-842), Emperor (842-843), m. Empress Olivia Porphirio
1.1.1.1. Adolf or Adolphus, Emperor (843-864)
1.1.1.1.1. Giovanni II, Emperor (864-876), m. Anna Prothemian
1.1.1.1.2. Gabrionus II, Regent of Hattias

Descend from Knight Heraclonian Chrysavian, or Sir Actius, Governor of Aegos, 1st Count of Actius
1. Hamil Actavius or Rupert Actavius, Count of Actius (?-989 or ?-c.980), lost at sea, m. Erlena McRhomaag
1.1. Geraldan Actavius (b. 949 or 947), Fleet Captain, Count of Actius (AC 989 to present), m1. (971) Dalia Salieri (rich daughter of a renowned Kerendan musician), m2¹⁾. Antonia (b. 956)
1.1.1. Heraclius Actavius (b. 980), son w/Dalia
1.1.2. a son w/Dalia ?
1.1.a. a daughter w/Dalia
1.1.-. a bastard daughter w/Antonia (b. 995)
2. Rutiliano Actavius. Lieutenant General (c. AC 988-997), Actavius family senatorial representative. Has 2 illegitimate daughters and 4 grandchildren
Also Geraldan's cousin is Ultimus Actavius (b. 955), see Sirenides

Senatorial family stripped of their rank for participation in the 959 revolt (Note that this conflicts with the "Patrizio" entry)
Luigi Aureliano (d. 997), Senator (?-959), m. ? Patrizio
1. Baldassarre Patrizio (until recently used his mother's surname to avoid persecutions) (975-present), General (1003), Count of Lucinius (?-present), m. (1006) Alexandra McRhoomag (dau. of Uthgard McRhoomag)
1.1. Fabrizio Aureliano

1. Hussein Biazzan, Caid (Baron) of Biazzan (AC?-998/9 or ?-996), m. Emilia Kasser (dau. Of a Thyatian woman and a Tel-Akbirian aristocrat
1.1. Babrak Muhammad Al-Fahmas Biazzan (b. 971 or 962), Regent of Biazzan (AC 998-999), Caid (Baron) of Biazzan (AC 999) (or Baron since 996), m. Gallia (b. 967)
1.1.1. Himerius Biazzan (b. 993)
1.1.a. Maisha Biazzan (b. 995)
1.a. Malika Biazzan (b. 981)
1.b. Aisha Biazzan (b. 985), m. Ahmed El Nicoui (b. 983)

The current Dukes of Kerendas. By tradition, the Duke of Kerendas all take the Kerendas surname
1. Aristides Dassinites (d. 994), duke of Kerendas (?-994)
1.1. Cymon
1.2. Lisias
1.3. Maldinius Thera Dassinites (b. 965), Duke of Kerendas, m. Catarina Medisci
1.3.1. Philippos, Archon of Hesperia (1017)
1.a. Astra

In some manner Philippos is a cousin of Lucianna (future wife of Emperor Eusebius Torion) but I haven't found any info about her

By tradition, the reigning dukes family takes the Kerendas surname. The currently so entitled family are the Dassinites.
What are some of the previous families?
How do the following individuals tie in?
* Duke Belisarius Antonoterion, pseudo-Emperor 878-880?
* Lady Celia Kerendas, Grand Duke Stefan Karameikos’s maternal grandmother?
* also, the unnamed Duke of Kerendas who duels and kills Emperor Marcus in 783?

Question 1: Are they descended from Emir Muhad Benaker?? (I'm thinking not)
Question 2: Should this instead be listed under 'ben Nadir'?
1. Tarik ben Nadir, Sheik (Duke) of Tel Akbir (?-1017)
1.1. Farid ben Nadir, Emir of Tel Akbir (1017-1017)
1.a. Jamila ben Nadir, Duchess 1017
a. Leilah ben Nadir, General, Governor (Governess? Governor-General?) of the Hinterlands (988-1017), Exarcha of Davania (1017-)

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)

(note that this conflicts with the "Aureliano" entry)
The first count, form about a century ago (c. 912?), Scouted out the foundations of Oceansend, m. Alexandra Glantri, currently 2 main branches- the Comital and the senatorial:

? Patrizio, Count, (son?, Grandson? of the 1st count), later gained the Senatorial seat forfeited by the Glantri family for their role in the 959 revolt (which later passed to his Vhakas {his brother? uncle? }), descendnts to:
Baldassarre Patrizio, Count, m. Alexandra ?
1. Philippicus Patrizio

Vhakas Patrizio, Senator, younger son of the 1st count
1. ? Patrizio
1.1. Marco Patrizio (b. 958), m. Demetria Palykratidius
1.1.1. Mauro Patrizio

Descends from an Alphatian Cleric named Retebius who aided in the Struggle for independence.
Distantly connected to the Ephore family
1. ? Retebius, Duke of Retebius, Officer in the Retebius Air Fleet, m. Polibia (b. 940), Duchess of Retebius (abdicated)
1.1. Callastian Retebius (b. 969), Duke of Retebius, Pegasus rider in the Knights of the Air, m. Mitasula Nuar (b. 973), Pegasus rider in the Knights of the Air
1.1.a. Desdemona Retebius
1.2. Alexandros Retebius (b. 973), Senator
2. Patrizio Retebius (943-991?), m. & divorced Aemilia Scaurus (b. 944), Senator
2.a. Leana Scaurus, uses her mothers surname
2.b. one or more implied younger daughters of Patrizio & Aemilia.
2.c. secret daughter with an ethengarian khan's wife's maidservant
also an Isle of Dawn branch:
Antonia Retebius (b. 947) who married Aemilius Fabius (b. 941), and her son-in-law and cousin Lavinio Retebius (b. 960), a wizard of Sclaras, m. Cynthia Fabius (b. 974)

Within the last 100 years, many thayatians have settled in Traladara (now Karameikos) and many form the noble crust of that land.

1. Antillius "Antilles" Halaran
1.1. Sherlane Halaran, Baron of Threshold, Patriarch of Threshold
1.2. Merrik Halaran, Thyatian soldier.
1.2.a. Aleena Halaran (b. 978), Knight of the Order of the Griffon
1.2.b. Anielle Halaran

1. Desmond Kelvin I, "Thyatian Officer and Gentleman", Baron, killed in a duel 995, m. Lady Evelina
1.1. Desmond Kelvin II, b. 977, Baron
1.a. Lady Alerena Kelvin, engaged to Kaerin Penhaligon
note: Cannonically Alerena is Desmond II's daughter, but the timing and most fannon have her as Desmond I's daughter.

Despite the name, this family is not connected to the rulers of Lucinius
Euripides Lucinius (938-984), Senator, m. Tallia Lentulus (948-989?)
1. Julian Lucinius (b. 969), Senator
distant relative: Ascan Lucinius (958-996), Senator

1. Eusebius
1.1. ?
1.1.1. Flavian
1.1.1.1. ?
1.1.1.1.1. Helenites Osteropolus, Senator

?. Palykratidius
a. Devota Palykratidius, m. Plinius Lycandronion
b. Demetria Palykratidius (b. 966), youngest member of the family, m. Marco Patrizio (b. 958)
Devota & Demetria's cousin:
Thyarius Palykratidius, Commandant of Westreach.

Actian senatorial family of sirine blood, by special decree the Sirenides pass the surname on through the female lineage²⁾
1. Corbus Sirenides (930-988?), senator, disappeared, m. Paiza (b. 936)
1.a. Janine Sirenides (b.957), mater familias senator, m. Ultimus Actavius cousin of Count Geraldan
1.a.a. Teodora Sirenides (b.980)
1.a.b. ?
1.a.c. ?

Makrest Clan - Thyatian Dwarves of Buhrohur
Many Glantrian Families descend from Thyatians, especially amongst the Caurenzians (largely a Kerendan offshoot) and among the Aalbanese (a Hattian-Aphatian mix).