John McCain adopted his first wife (Carol McCain's) two sons who were fathered by Alastair Swanson. Alastair Swanson is president of "Turtle Creek Club" a golf course 4 miles away from Jupiter Florida where Robert Kraft was arrested. Alastair Swanson's wife is Marykay Swanson, maiden name Kraft.

http://www.stevensfamilyfuneralhomes.com/node/434/773

https://relationshipscience.com/person/alasdair-e-swanson-85016165