THE Duke and Duchess of Westminster are “thrilled” as they welcome their first child.

Their baby girl, Cosima Florence Grosvenor was born today in London.

Photo of Hugh Grosvenor and Olivia Henson in front of lilac bushes.

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The Duke and Duchess of Westminster have welcomed a baby girlCredit: PAThe Duke and Duchess of Westminster waving to well-wishers after their wedding ceremony.

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The pair got married in June 2024Credit: Getty

Hugh Grosvenor, a Billionaire aristocrat who is a long-term friend of the Duke of Sussex and Prince William, and his wife Olivia, married last year.

A spokesperson for the couple said: “The Duke and Duchess of Westminster are thrilled to announce the birth of their baby daughter.

“Both the duchess and Cosima are doing well.

“The duke and duchess now look forward to spending this special time together as a family.”

They announced the pregnancy in March, with a spokesperson saying: “The couple are delighted with the news and are very much looking forward to starting a family together.”

The Duke is godfather to Prince George, and also reportedly to Prince Archie.

During the couple’s wedding at Chester Cathedral in June 2024, William acted as Usher.

Harry wasn’t in attendance amid his long-running rift with his brother.

Hugh had previously been considered one of the country’s most eligible bachelors.

He became an instant billionaire when he inherited his title, and the historic Grosvenor Estate, aged 25 following the death of his father from a heart attack in 2016.

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His property company, Grosvenor Group, owns hundreds of acres of land in Mayfair and Belgravia, as well as major city developments like Liverpool’s One shopping centre.

In 2020, Hugh donated £12.5 million to the Covid-19 relief effort across NHS Charities Together, as well as across medical research and development.

The Duke and Duchess of Westminster kissing after their wedding ceremony.

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Prince William acted as usher at their wedding at Chester CathedralCredit: Getty

The extensive properties of Hugh Grosvenor, the Duke of Westminster

THE Grosvenor family originally made their fortune from mining before turning their eye to the property world.

Hugh inherited an impressive property portfolio when his father passed away in 2016.

The Duke owns the entirety of London’s Park Lane and half of Mayfair.

As well as this, the properties Hugh owns include:

  • Eaton Estate – the 11,500-acre Grosvenor family home in Cheshire.
  • Abbeystead – the 23,500-acre shooting estate in Lancashire.
  • Finca La Garganta estate – the 37,000-acre plot in rural Cordoba near Seville, Spain.
  • Reay Forest in Sutherland, Scotland.