Sorry, we love your kids—we really do! But the only children attending will be those that are in the wedding party. We want our wedding to be “your” night off!
If your invitation says “and Guest,” then yes, if not, we would prefer if it was just you.
Semi-Casual! The ceremony and reception are outside on a large grassy area so keep that in mind when choosing your shoes. The temperature might be cooler as the sun goes down - bring a sweater or jacket to keep warm.