From this page, you can download free family trees for the Pyr. Each is a single page and a PDF file – you can print each one on an 8.5″ by 11″ sheet of paper.
Here’s one of them to give you a peek – this one branches to five other family trees.

As well as names and dates, those Pyr who turned Slayer are marked with an S. Those in the original High Council of Seven are marked with a 7. If mates’ names are known, they’re included and if there’s a Dragonfire Novel featuring that firestorm, you’ll find a dragon icon on that Pyr‘s entry along with the title of his book.
These family trees are also included in Here Be Dragons: The Dragonfire Companion.
Note that there are some spoilers for DragonFate in the family trees, but the charts are completed through the end of Dragonfire. The Dragon Legion warriors have incomplete geneologies, but the forebear of each Dragon Legion warrior is noted. Also, some Pyr still have shadowy histories: you won’t find Sahir or Pelias in the family trees. There are several lines that I haven’t documented yet, including the Britannia Line and the geneology of Chen and his brother Lee, last of the Dragon Kings. The Pyr still have many secrets for me to uncover. 🙂
An update on the family trees January 2023.
While I was creating colour versions of the family trees to have printed on 6×9″ postcards for one of my Kickstarter reward tiers, I discovered a couple of errors in these original PDFs. Unfortunately, I no longer have access to the base files to edit these PDFs so I can’t update them. What was wrong? Mostly I fixed some mate’s names. In the Eastern Line, five Pyr had mates named Althea, which seems statistically improbable. I suspect that I cut-and-pasted the box from Asha (with his mate Althea) and updated only the name of the Pyr and his dates, forgetting the mate’s name. These mates have never appeared in stories. In the updated version, Ivan’s mate is Farah, Viktor’s mate is Yasmine, Felix’s mate is Natasha and Mikael’s mate is Anna. Asha’s mate is still Althea.
Redoing them also reminded me that the Britannia Line and the Byzantine Line have yet to be documented.