I'll talk about the various Dustari families of old. These families would still be around but more like higher nobles.
Royal House of Nightrose-
Fairly large family. This house held the Dustari throne in the 3rd age I believe. At this present time Dustari is in its 11th Age. The House was led by King Kamuii Nightrose who married to [insert KawaiiSaria's rp nickname here]. They had two princes and one Princess (Arwen?). Their reign fell, including most of their family, when Ackbar occured.
The Duchy of Warhare-
The Warhare Duchy was formed when a war hero by the name of Zurkiba (I know, I was a total newbie back then and uncreative =x) was granted land and title by Prince Charles Nightrose. He married to a young lady named Scarlett [insert last name here =x]. They had a son and a daughter. The daughter was married off and the son went on to become a military officer. Duke Zurkiba Warhare was called to the new world to assist in management there, Scarlett refused to leave the old lands and said she would wait for his return. A main rivalry of the Warhare family were the Durimes. The Durimes will be covered in the bottom portion, but this rivalry was mediated by the King Henry Barbarossa of Dustari (4th Age) as he outlawed both families from the other's land grants.
The Duchy of Durime-
The Durime Family line is led by Gryffon Durime. Gryffon Durime is the brother of Wryoko Durime. They came from a far away land that was destroyed by the Melhk (Astri's motherland). Later Gryffon's nephew and other family members escaped to the 'old world', some of these family members include Tseng Durime. Gryffon went many years without finding a wife, for he was a different species from human. However he was able to woo Scarlett Warhare when Zurkiba left and they produced a bastard son by the name of Padraig Durime. A rivalry of the Durime family is the Warhare Family.
The Archduchy of Trenine-
The Trenine Archduchy was led by Archduke Tupper Trenine. He married to a young lady and had many kids (I dont know a lot about them
)
That's about it.
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The Zormites dont really have families, but they're more like in various tribes. Each kingdom has different tribes. Some tribes are outcasts, others are workers, however the leading tribe is the Emperor's tribe. There are many tribes, I can only recall the Zaeri Tribe (Nomadic Zormites, Outcasts) and the Zorbi Tribe (Emperor Tribe of like the 10th Age or so). The Sahuagin are many tribes that have formed into one governing body in which there is a Grand Sahuagin to lead them.