Kourtney Kardashian and Scott Disick welcome their third child

ELDEST Kardashian sibling Kourtney has given birth to her third child — a boy — born on exactly the same day as her first son, Mason.

(FILE PHOTO) Reality TV star Kourtney Kardashian has given birth to her third child and second boy with partner Scott Disick on the same date as her eldest child Masons fifth birthday. BRIDGEHAMPTON, NY - AUGUST 09: TV Personality Kourtney Kardashian and husband Scott Disick attend Women's Health Hosts Hamptons "Party Under The Stars" for RUN10 FEED10 at Bridgehampton Tennis and Surf Club on August 9, 2014 in Bridgehampton, New York. (Photo by Paul Zimmerman/Getty Images for Women's Health)

ELDEST member of the Kardashian clan, Kourtney, has given birth to her third child with long-time partner Scott Disick.

The pair welcomed a son into the world on Sunday (US time), which also happens to be the birthday of their first child, five-year-old Mason.

Kardashian and Disick also have a daughter, Penelope, aged two.

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The rest of the famous family is reportedly “freaking out with joy”, a source told E! News.

“What an amazing coincidence,” the source said.

On Saturday, Kardashian hinted at the bundle-of-joy’s arrival, posting an Instagram picture of a baby’s cot. And mum Kris Jenner told E! last Wednesday that the bub was only days away.

There has been no official word from the Kardashian camp yet, but Us Weekly broke the news this morning.