How Old Is Rhaenyra Targaryen on 'House of the Dragon'? Ages of More Characters Revealed Too!

Sian Brooke as Aemma Targaryen

ACTOR’S AGE: 42 (as of August 21, 2022)
CHARACTER’S ESTIMATED AGE ON SHOW: 30 (in the books)

In the books, Aemma was born in 82 AC and the events of episode one in the series take place in 112 AC, which makes her about 30. It’s likely they aged her up, just as they aged up her daughter Rhaenyra.

CHARACTER DESCRIPTION: Aemma Targaryen, the queen consort and wife of King Viserys Targaryen