Britain's Pippa Middleton pregnant with first child - Sun on Sunday

LONDON, April 22 (Reuters) - 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 honor 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.

RELATED: See pics of Pippa and her hubby

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Pippa Middleton and James Matthews together
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Pippa Middleton and James Matthews together
LONDON, ENGLAND - JULY 14: Pippa Middleton and James Matthews attend day eleven of the Wimbledon Tennis Championships at the All England Lawn Tennis and Croquet Club on July 14, 2017 in London, United Kingdom. (Photo by Karwai Tang/WireImage)
LONDON, ENGLAND - JULY 14: Pippa Middleton & James Matthews seen at Day 11 of Wimbledon 2017 on July 14, 2017 in London, England. (Photo by HGL/GC Images)
LONDON, ENGLAND - JUNE 27: Pippa Middleton (L) and James Matthews attend The Miles Frost Fund party at Bunga Bunga Covent Garden on June 27, 2017 in London, England. (Photo by David M Benett/Dave Benett/Getty Images)
LONDON, ENGLAND - JUNE 27: Pippa Middleton (L) and James Matthews attend The Miles Frost Fund party at Bunga Bunga Covent Garden on June 27, 2017 in London, England. (Photo by David M Benett/Dave Benett/Getty Images)
Pippa Middleton (L) and her husband James Matthews (R) arrive at Rose Bay Wharf by sea plane in Sydney on May 31, 2017. Pippa and Matthews, who married on May 20, 2017, are visiting Sydney on their honeymoon. / AFP PHOTO / SAEED KHAN (Photo credit should read SAEED KHAN/AFP/Getty Images)
JUNE 1, 2017: DARWIN, NT - (EUROPE AND AUSTRALASIA OUT) Newly married James Matthews and Pippa Middleton arrive into Darwin International Airport in Darwin, Northern Territory. (Photo by Glenn Campbell/Newspix/Getty Images)
ENGLEFIELD GREEN, UNITED KINGDOM - MAY 20: (EMBARGOED FOR PUBLICATION IN UK NEWSPAPERS UNTIL 48 HOURS AFTER CREATE DATE AND TIME) James Matthews and Pippa Middleton leave St Mark's Church after their wedding on May 20, 2017 in Englefield Green, England. (Photo by Max Mumby/Indigo/Getty Images)
ENGLEFIELD GREEN, UNITED KINGDOM - MAY 20: (EMBARGOED FOR PUBLICATION IN UK NEWSPAPERS UNTIL 48 HOURS AFTER CREATE DATE AND TIME) James Matthews and Pippa Middleton leave St Mark's Church after their wedding on May 20, 2017 in Englefield Green, England. (Photo by Max Mumby/Indigo/Getty Images)
ENGLEFIELD GREEN, ENGLAND - MAY 20: Pippa Middleton and James Matthews leave after getting married at St Mark's Church on May 20, 2017 in Englefield Green, England. (Photo by Pool/Samir Hussein/WireImage)
ENGLEFIELD GREEN, UNITED KINGDOM - MAY 20: (EMBARGOED FOR PUBLICATION IN UK NEWSPAPERS UNTIL 48 HOURS AFTER CREATE DATE AND TIME) James Matthews and Pippa Middleton leave St Mark's Church after their wedding on May 20, 2017 in Englefield Green, England. (Photo by Max Mumby/Indigo/Getty Images)
BUCKLEBURY, BERKSHIRE - DECEMBER 25: Pippa Middleton and James Matthews attend church on Christmas Day on December 25, 2016 in Bucklebury, Berkshire. (Photo by Samir Hussein/Samir Hussein/WireImage)
LONDON, ENGLAND - JULY 06: Pippa Middleton and James Matthews attend day nine of the Wimbledon Tennis Championships at Wimbledon on July 06, 2016 in London, England. (Photo by Karwai Tang/WireImage)
LONDON, ENGLAND - JULY 06: Pippa Middleton and James Matthews attend day nine of the Wimbledon Tennis Championships at Wimbledon on July 06, 2016 in London, England. (Photo by Karwai Tang/WireImage)
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(Reporting by William James Editing by Andrew Heavens)

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