Estrella de Madrigal is not who she thought she was, and neither is her family: they are Marranos ("pigs"), crypto-Jews, in hiding from the Inquisition in the town where they've lived for five hundred years. Her true name is Esther, after the queen who also had to hide who she was.
I stopped picking up new Hoffman books a while ago because I was tired of always reading the same thing, and indeed many of her familiar tropes are here: the fairy-tale language (here turned to awful effect as people are burned alive), the overwhelming nature of romantic love, the strength of maternal bonds. The familiar problems are here as well: there's a lovely surface, but the story doesn't feel very deep, or the characterization very complex. But the history here is painful enough that it hurts even so.