John Isner parents: Bob Isner, Karen Isner

John Robert Isner is an American professional tennis player who has a career highest ranking of world number eight in the ATP singles division and world number nineteen in the ATP doubles division. Isner turned a professional in 2007.

John Isner parents: Bob Isner

Bob Isner, the father of John Isner, is an engineer and a democrat. With his problem-solving mindset, he then went in to run for Congress with the mind of bringing the two parties together.

John Isner parents: Karen Isner

John Isner’s mother, Karen Isner, is a two-time survivor of cancer. In 2014, John Isner took care of her for over a week while she was hospitalized after she was identified as having stage four colon cancer. As a result, Karen Isner has been honoured by naming the multidisciplinary clinic receiving area at the NC Cancer Hospital after her.

Bob and Karen have two older sons by name Nathan and Jordan.