Sorry I meant Tintaglia in my earlier comment. Tintaglia mated with Kalo and changed Phron (Ephron), after which she took her leave to save her ass from the corona pandemic before the enforcement of lockdown I mean, to look after her batch of eggs. And later bitched about her rights on Phron's physical features.

She was also the dragon who blackmailed Reyn and Malta into releasing her from her...egg, which is basically Dragonwood. In Hobb's books, Dragonwood contains the soul of dragons but I can't recall why later there was this scene where Kalo threatens Icefyre to stay away from his and Tinta's eggs.

You're right, Sintara did mate with Mercor LOL. My memory was fuzzed out and I've not re-read them in a while.