Alnwick Castle, setting for the wedding of Lady Melissa Percy
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Alnwick hosts princes for family wedding

22 June 2013 Last updated at 10:06 BST

The Duke of Cambridge and Prince Harry are in Alnwick on Saturday for the wedding of the Duke of Northumberland's daughter, Lady Melissa Percy.

But the Duchess of Cambridge, who is close friends with Lady Melissa, is thought to be missing the event, as she nears the birth of her first child.

Stephanie Cleasby reports.