Everything you need to know about Declan Donnelly's family

The I'm a Celebrity presenter has a rather large family!

Declan Donnelly is a national treasure, working alongside his on-screen partner Ant McPartlin for over 20 years as popular duo Ant and Dec.

MORE: Declan Donnelly's wedding to Ali Astall was breathtakingly regal

And while the I'm a Celebrity presenter no doubt considers Ant part of his family, Dec has quite a large family of his own. Here's everything you need to know about Declan Donnelly's family...

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WATCH: Ant and Dec delight fans with epic throwback in teaser clip

Who are Declan Donnelly's parents?

Dec was born in Newcastle upon Tyne in 1975 to parents Alphonsus Donnelly and Anne Donnelly. The presenter's parents originally lived in Londonderry, Northern Ireland, but moved over to Newcastle in the 1950s.

Dec clearly has a loving relationship with his mum and even included his mum's name in his daughter's full name. Sadly, Dec's father Alphonsus died of cancer in 2011.

Ant & Dec celebrated their OBE awards with their mums

Who are Declan Donnelly's siblings?

It seems that the Donnellys are a rather large family. Dec is the youngest of seven children born to Anne and Alphonsus. Dec has three sisters, Camelia, Patricia, and Moira, and has three brothers, Martin, Eamonn and Dermott.

It's not often that Dec is seen with his siblings, however, in 2019 he was pictured with sister Moira at her 50th birthday party.

MORE: What is Declan Donnelly's net worth?

READ: 6 facts about Declan Donnelly: height, net worth, and more

Dec and his sister Moira

The picture, uploaded by the fan account @Allantanddec on Twitter, saw the two with their arms around each other enjoying the party which was held in Ponteland, according to the post. Declan's brother, Dermott Donnelly, is a priest and even conducted Dec's wedding to Ali Astall in 2015. How lovely!

Who is Declan Donnelly's wife?

Dec, who previously dated Sky Sports reporter Georgie Thompson, found love with his manager Ali Astall. The pair went out for a year before Dec popped the question in November 2014 when they were working in Australia. The lovebirds married in a beautiful ceremony in Dec's Newcastle hometown back in 2015.

Dec married Ali Astall married in 2015

Holly Willoughby, Fearne Cotton, Ashley Roberts, Dermott O'Leary, Phillip Schofield, Marvin and Rochelle Humes and Vernon Kay and Tess Daly were just some of the celebrity guests who were spotted arriving at the wedding - as well as the groom's best man and comedy partner Ant.

Does Declan Donnelly have children?

Declan and Ali are parents to one child together, a daughter named Isla Elizabeth Anne, born in September 2018.

Announcing the exciting news to fans on Twitter along with an adorable picture, Dec wrote: "Ali and I are thrilled to announce the arrival of our baby girl, Isla Elizabeth Anne, who was born just after 9 o'clock this morning. Mother and daughter both doing well, Dad is head over heels! D x."

Dec and Ali welcomed their first child, daughter Isla, in 2018

Is Declan Donnelly related to Ant McPartlin?

In November 2019, Dec found out that he and Ant were more than just lifelong friends.

Ant and Dec's DNA Journey, which aired last November, focused on both presenters' mission to find out more about their respective family history. The DNA journey took around two years to create, including a short break while Ant attended rehab for alcohol and prescription drug addiction.

After Ant's recovery, the show continued and they both found many interesting facts about their family, including Dec discovering his American cousins and uncovering facts about his Irish heritage.

But most surprisingly of all, Ant and Dec discovered that they are in fact related. The two were pleased to hear that they have the same DNA marker, which means that Ant and Dec are related as distant cousins.

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