There is no definitive answer to this question as it is not public knowledge whether or not Preston Bezos is adopted. However, there are several pieces of evidence that suggest he may be adopted.
Firstly, Preston's last name is different to that of his parents. This could suggest that he was adopted, as his parents may have changed his last name to match their own.
Secondly, Preston's birth date is unknown. This is often the case with adopted children, as their birth parents may not want them to know their exact birth date.
Lastly, there is no record of Preston's birth parentage. This is another common occurrence with adopted children, as their birth parents may not want their identity to be public knowledge.
Overall, while there is no definitive answer to this question, the evidence suggests that Preston Bezos may be adopted.
