Lost portrait of glamorous Anglo-Irish socialite Oonagh Guinness, 21, sparks ...

A lost portrait of the glamorous twice-divorced Anglo-Irish socialite Oonagh Guinness sparked a bidding war after it vanished for 25 years, before eventually selling for £255,000. 

The 1931 oil painting depicts the Guinness founder's 21-year-old granddaughter who, along with her blonde sisters Aileen and Maureen, were known as the 'Golden Guinness Girls' of 1920s British society.

Years before their grandfather, Edward, became the head of the family's famous brewing business, making him the richest man in Ireland.

The lost portrait of Anglo-Irish socialite Oonagh Guinness

The oil painting sparked a bidding war and was eventually sold for £255,000

The lost portrait of Anglo-Irish socialite and the Guinness founder's granddaughter, Oonagh Guinness, which sparked a bidding war after it vanished for 25 years and was eventually sold for £255,000

Artist Philip Alexius de Laszlo, left, pictured with Ambassador Lord Tyrell, centre, and Hubert Lyautey, right, with the portrait seen on display in the background at Gallery Charpentier in Paris in June 1931

Artist Philip Alexius de Laszlo, left, pictured with Ambassador Lord Tyrell, centre, and Hubert Lyautey, right, with the portrait seen on display in the background at Gallery Charpentier in Paris in June 1931

The lost oil painting, showing a closer-up view of the necklace and ring being worn by Oonagh for the portrait, which depicts her aged 21 seated and wearing a white chiffon dress with a green sash and holding a wide-brimmed hat

The lost oil painting, showing a closer-up view of the necklace and ring being worn by Oonagh for the portrait, which depicts her aged 21 seated and wearing a white chiffon dress with a green sash and holding a wide-brimmed hat

The portrait was created by royal artist Philip de Laszlo, who himself had married into the Guinness family.

Oonagh treasured the painting and hung it in the drawing room of her grand country home in Luggala, County Wicklow for years.

After her death in 1995 it was sold as part of her estate and its whereabouts were unknown, even by the de Laszlo Foundation.

It turned up 25 years later as part of the sale of an epic art collection kept in a swanky mansion in Atlanta, US.

The 52ins by 39ins painting had been expected to sell for about £40,000 but bidding on it soared past that sum and reached £255,000.

The piece of art is titled 'The Honourable Mrs. Philip Leyland Kindersley, nee Oonagh Guinness, later Lady Oranmore and Browne', in reference to her first two marriages. 

A closer view of the jewelled bracelets being worn by Oonagh in the oil portrait. After her death in 1995 it was sold as part of her estate and its whereabouts were unknown, even by the de Laszlo Foundation

A closer view of the jewelled bracelets being worn by Oonagh in the oil portrait. After her death in 1995 it was sold as part of her estate and its whereabouts were unknown, even by the de Laszlo Foundation

An image capturing the detail of the Anglo-Irish socialite's ruffled white dress, paired with a green sash around the waist. Oonagh treasured the painting and hung it in the drawing room of her grand country home in County Wicklow

An image capturing the detail of the Anglo-Irish socialite's ruffled white dress, paired with a green sash around the waist. Oonagh treasured the painting and hung it in the drawing room of her grand country home in County Wicklow

The rear of the artwork, picturing an older label which details the exhibition as Galeries Charpentier in Paris and the title 'Mrs Philip Kindersley', in reference to one of Oonaugh's previous marriages

The rear of the artwork, picturing an older label which details the exhibition as Galeries Charpentier in Paris and the title 'Mrs Philip Kindersley', in reference to one of Oonaugh's previous marriages 

A newer label on the rear of the artwork, showing the portrait title 'The Hon. Mrs Philip Leyland Kindersley, nee Miss Oonagh Guinness, later Lady Oranmore and Browne' and the provenance as 'by family descent to the present owner'

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