Niall's elder brother Greg and his wife Denise Kelly are expecting their first child, reports thesun.co.uk.
Greg announced the news when he tied the knot with Kelly, a beauty therapist, March 27 and said: "It's Niall's first niece or nephew so he's delighted." Niall, member of One Direction band, was also the best man at Greg and Denise's wedding.
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