This might be a bit late, but in one of those after show episode things called Rebels Recon (something that the creative team always puts out after each episode new premieres, giving us extra information and insight) it cleared up the whole thing with the Mandalorian houses and clans. They explained the whole Mandalorian hierarchy as it stands at the time of The Clone Wars and Rebels and in the new canon in general.
At the very top is the ruler of Mandalore, (which I'm assuming is where the actual Mandalore figure that we are all familiar with would fit in). Next is the royal guard/special forces of the ruler of Mandalore, who are known as the Protectors (I guess the Journeyman Protectors fall into this group). After that comes all of the Houses, which are all of the important families that serve under the ruler of Mandalore, who are basically the nobles I guess (House Vizla and House Kryze where Satine came from all fall into this group). Next come all of the clans, which serve under the houses and make up a majority of the Mandalorians (this is where Clan Wren, Clan Fett, and Clan Ordo would fit in).
On the topic of Mandalorians, has anyone seem the episode Protector of Concord Dawn? I loved that episode. It was Mandalorian focused and re-canonized many of the things about Mandalorians from the old canon, such as the fact that Mandalorians helped train the clones, and the history of Concord Dawn, and some possible references to the Mandalorian Wars. I loved the part where Sabine called out Fen Rau of the Protectors for an honor duel; they were acting like the proper Mandalorians that we all know and love from the old Expanded Universe.
Also, did anyone see the latest episode Shroud of Darkness? Oh man was it good. This episode is where Rebels has finally crossed the threshold from being just another kid's show into being a darker, more mature, and interesting series that we can enjoy and appreciate, just like how The Clone Wars did in its later seasons. So much stuff from the old canon was brought back and referenced as well, especially stuff from the Old Republic era.
Possibly the biggest reference that almost made we spit my drink out was the mention of Malachor and the role it will play. More and more things from KOTOR II have been referenced in this new season. I will probably have a heart attack if they ever start talking about Revan and the Mandalorian Wars.
The season two mid-season trailer came out a few months ago. Check it out for yourselves and get a taste of what's in store. If you like what you see, then it might make you interested in watching the show, if you've been putting it off because of how kiddy it seemed at first. The Clone Wars started out the same way, and look how it turned out.
Notice the part where Asoka says: "There's always a bit of truth in Legends". That's almost like the creators are directly talking to the fans and saying that stuff from the old Expanded Universe (which is now called Legends) will be used and incorporated into the show.
Here it is: https://www.youtube.com/watch?v=LJyxPDEvo9U