What is the oldest star for Orion?

The oldest star in the constellation Orion is believed to be Bellatrix, also known as Gamma Orionis. It is a blue giant star with an estimated age of around 250 million years, making it relatively young in astronomical terms. However, compared to other stars in the universe, it is one of the older members of the Orion constellation. Other notable stars in Orion, like Betelgeuse, are also relatively young but have different ages and life stages.