Linda, this is most likely Chinese Chestnut but hard to tell from a pic. Will check it out sometime soon. It is possible that it is American Chestnut but highly improbable. Would need to see some leaves to make a more accurate identification without a site visit.

The "Holey Tree" in the other picture is Black Locust. Black Locust is a legume and is kinfolk with the family's of the peas and beans that are often on our supper tables! The wood is hard, makes great fence posts and makes great firewood but since it reproduces from both seed and root sprouts, it is very hard to get rid of.