The couple are also expected to visit the capital Amman, where Miss Middleton and her family moved in 1984.
Miss Middleton, 33 years old, is a vice president at Paine Webber in New York.
But his future bride would be closer than even he might have imaged; Miss Middleton was one of his housemates.
In 2007 the prince and Miss Middleton split up for some months.
Miss Middleton, 40, and her ex-husband Michael have accepted an offer for the organ to be buried in the child's grave.
Royal sources told the Daily Mail that paparazzi had left Miss Middleton "at her wit's end."
Dating a future King saw Miss Middleton propelled into the spotlight.
I take a more positive line, and it is an easier task than backing the wrong designer for Miss Middleton's wedding dress!
Miss Middleton worked closely with Sarah Burton in formulating the design of her dress.
Miss Middleton's slinky lines have been rightly acclaimed.