The dragons were devoted to the children first and foremost, but Drogon would snap and flame at anyone who came too close to Rhaella, Balerion could on occasion be found curled up on Elia's lap while she worked, and Ghost had once arranged himself just so along the back of the Iron Throne while Lyanna held court in her husband's absence - it was the most productive court session she'd ever been party to. Or, Rhaegar marries Lyanna Stark, and runs away with Elia Martell