hmmm...a word about a potential title insurance claim

In 2006 we insured a transaction for property which sat in two different municipalities.  The house and most of the land was in one and the back 50 feet of land was in another.

I received a letter last week from the grandfather of the insured stating that we had failed to clear title on the 50 feet and that we had better pay roughly $700 to resolve the matter and that his granddaughter ought not