It was 'noble' of her to come forward with this information.
She married a man of 'noble' [='aristocratic'] birth/rank.
a 'noble' ideal/ambition/cause/purpose
(..) I traveled far and wide, looking for... wisdom. Feel a connection with all the souls I was charged with protecting. On my travel, I met a strong and noble people. Among them, a female, who accepted me for what I was. It was not a life I was fated to have, you must be willing to travel (..)2016 Warcraft