Duke and Duchess join Prince Charles and Camilla at Birkhall

Kate Middleton and Prince William‘s families spent the Bank Holiday weekend together at Birkhall mansion in Aberdeenshire.

Wills‘ dad Prince Charles and stepmum Camilla invited Kate‘s parents Carole and Michael Middleton to their stunning home on the Queen’s Balmoral Estate.

‘The Prince of Wales has made a huge effort with Kate‘s parents,’ a source tells The Sun.

Birkhall is his favourite retreat and the fact they have been invited shows there is a genuine friendship.’

Charles, 62, inherited Birkhall from the Queen Mum.

He and Camilla, 64, are known as The Duke and Duchess of Rothesay when in Scotland.

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Esme Riley