Pippa Middleton pregnant with first child: Sun on Sunday

PHOTO: Reuters

LONDON - Britain's Pippa Middleton, the younger sister of the Duchess of Cambridge, is pregnant with her first child, The Sun on Sunday newspaper reported.

Middleton, 34, gained global fame when she acted as maid of honour at the 2011 wedding of her sister Kate to Prince William, who is second in line to the British throne.

The baby is due in October, the newspaper said citing an unnamed friend.

Middleton and her financier husband James Matthews married last year.

The Duchess of Cambridge is herself expected to give birth this month to her third child.

Prince William's sister-in-law Pippa is married!

  • Pippa Middleton and James Matthews pose for photographs after their wedding at St Mark's Church in Englefield, west of London, on May 20, 2017.
  • James Middleton, brother of the bride, walks with his mother Carole Middleton as they attend the wedding of Pippa Middleton and James Matthews at St Mark's Church in Englefield, west of London, on May 20, 2017.
  • James Middleton, brother of the bride.
  • Donna Air attends the wedding of Pippa Middleton and James Matthews at St Mark's Church in Englefield, west of London, on May 20, 2017.
  • Spencer Matthews gestures as he stands with James Middleton and Donna Air at the entrance of St Mark's Church in Englefield ahead of the wedding of Pippa Middleton and James Matthews in Englefield, west of London, on May 20, 2017.
  • David and Jane Matthews, parents of the groom, attend the wedding of Pippa Middleton and their son James Matthews at St Mark's Church in Englefield, west of London, on May 20, 2017.
  • Britain's Princess Charlotte, a bridesmaid, attends the wedding of her aunt Pippa Middleton to James Matthews at St Mark's Church in Englefield, west of London, on May 20, 2017.
  • Tennis player Roger Federer and his wife Mirka attend the wedding of Pippa Middleton to James Matthews at St Mark's Church in Englefield, west of London, on May 20, 2017.
  • Britain's Prince William and his brother Prince Harry arrive for the wedding of Pippa Middleton and James Matthews at St Mark's Church in Englefield, west of London, on May 20, 2017.
  • Britain's Prince Harry leaves after attending the wedding.
  • Carole Middleton and her husband Michael Middleton.
  • Pippa Middleton and her new husband James Matthews leave St Mark's Church following their wedding in Englefield, west of London, on May 20, 2017.
  • Britain's Prince William talks to James Middleton.
  • Pippa Middleton and James Matthews kiss after their wedding at St Mark's Church in Englefield.
  • Britain's Catherine, Duchess of Cambridge, follows her sister Pippa Middleton following the wedding of Middleton to James Matthews at St Mark's Church in Englefield, west of London, on May 20, 2017.
  • Britain's Lady Gabriella Windsor attends the wedding of Pippa Middleton and James Matthews.
  • Britain's Catherine, Duchess of Cambridge stands with her children Prince George and Princess Charlotte, following the wedding of her sister Pippa Middleton to James Matthews.
  • Pippa Middleton kisses her new husband James Matthews.
  • Britain's Catherine, Duchess of Cambridge speaks to her daughter Britain's princess Charlotte, a bridesmaid.
  • Pippa Middleton arrives with her father Michael Middleton in a 1951 Jaguar Mk V car.
  • Britain's Catherine, Duchess of Cambridge walks with the flower boys and girls, including Prince George and Princess Charlotte.
  • Michael Middleton stands with his daughter Pippa Middleton.
  • Michael Middleton walks with his daughter Pippa Middleton.
  • Britain's Catherine, Duchess of Cambridge stands with her daughter Britain's princess Charlotte, and the other bridesmaids and pageboys.
  • Catherine, Duchess of Cambridge, stands with Princess Charlotte and Prince George, who were flower boys and girls at the wedding of Pippa Middleton and James Matthews.
  • A view of St Mark's Church ahead of the wedding of Pippa Middleton and James Matthews at St Mark's Church in Englefield, west of London, on May 20, 2017.
  • Nanny to Prince George and Princess Charlotte of Cambridge, Maria Borrallo, walks to the church.
  • Britain's Prince George.
  • Gary Goldsmith, uncle of the bride.
  • Britain's Princess Eugenie of York.
  • Britain's Catherine, Duchess of Cambridge arranges the train of her sister Pippa Middleton.