The same day he visited the first century ruins, William - who's being hosted by Crown Prince Al-Hussein bin Abdullah II, the son of King Abdullah II and Queen Rania - also met with Syrian refugees including some who are learning photography skills as well as children who are receiving psychological support from a UNICEF Jordan program. According to People, William shared Kate's regrets during a party, explaining that the mother of three "is very sorry she can not be here with me so soon after the birth of our son Louis, but her family remembers very fondly the nearly three years she spent here as a child when her father worked for British Airways in Amman".
She went to an English language nursery while her parents were in the country for nearly three years, before they returned to Berkshire in 1986.
Along the route of the major tourist attraction, William and Jordan's Crown Prince Hussein stopped in front of an enlarged photo on an easel that showed the former Kate Middleton, her father and younger sister posing against the backdrop of the Jerash ruins.
Prince William is now visiting the country alone as the Duchess is still on maternity leave, but we're sure she was only delighted with this little tribute to her childhood.
Samia Khouri, director of museums at Jordan's Department of Antiquities, guided the two princes around the site during a half-hour tour.
"Need to come back with the family for this shot", he said.
William then stood in the same spot where the photo was taken.
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William's five-day tour of the region is his most high-profile foreign trip and the first official visit to Israel and the Palestinian Territories by a member of the monarchy on behalf of the Government.
As England thrashed Panama 6-1 on Sunday, Prince William, the president of the Football Association, was flying into Jordan for a historic Middle East tour.
He was greeted by Israeli officials at Ben Gurion Airport in Tel Aviv.
The following day he is scheduled to meet Palestinian president Mahmud Abbas in Ramallah in the occupied West Bank, before meeting Palestinian refugees and young people.
"We know some of the politics are hard, but this is not a political visit".
Tom Segev, an Israeli historian, said some Israelis feel resentment over what he described as the British royal family's boycott of Israel over the years.