The fact which would support Daniel’s suspicions because they are Ashkenazi Jews is:
This refers to the lineage of a person which accounts for his ancestors and their origins which are passed down to him.
With this in mind and from the given question, we can see that there is the no reason to believe that Daniel's ancestors were nobles because they did not own land in the Medieval times.
Read more about ancestry here:
https://brainly.com/question/1372016