Jonathan Rhys Myers and wife Mara Lane share first family picture with baby son Wolf

Jonathan Rhys Myers' wife Mara Lane has shared a snap of their baby son for the first time on social media.

The new mum decided to introduce her son Wolf to the world of Instagram with a cute family snap.

In the caption, Mara praised her husband for being a great father and husband, giving a glimpse of how the Tudors star is adapting to fatherhood.

'J is thee best Father btw. Ridiculously loving, super protective, patient and attentive. Wolf is basically snuggled, kissed, adored, sang to and entertained any free minute he has by his Papa', Mara wrote.

The mum-of-one also shared details of the birth for Midwife Day, praising the team who helped deliver her son Wolf.

'It was better than we could have ever hoped/prayed for and am eternally thankful. Would not have had it any other way. #NaturalBirth #DelayedCordClamp #HomeBirth #AtHomeBirth #PeacefulBirth under 3 hours', she wrote on Instagram.

The mum also revealed Jonathan helped deliver their son: 'Johnny was able to help deliver Wolf as he entered this world and it was the best day of our lives. He was so so awesome as I would have probably passed out if could have seen what was happening.'

The two welcomed their first child together in December, but they've only now made details of the birth public and confirmed the unusual baby name.

Mara confirmed that she was expecting back in December, sharing a sweet Christmas-themed snap to her Instagram account, @thelionandthelambchop.

'#IncomingPackage best present. #ThankYouLord 🙏🏻🙌🏻😇 #SantaBelly 🙊😂' she captioned the image, which showed her beaming as she compared her blooming baby bump to Santa's rounded belly.

She's since been keeping her 11,000 followers up to date with the progress of her pregnancy, sharing pictures of her growing maternity wardrobe and talking about her excitement at the prospect of becoming a mum.

'I have other dresses but Baby likes these ones..' she wrote of one particular outfit.

'[Baby] is super conscious, connected & aware. Has not let me eat much meat entire pregnancy either ... has me thinking about things I'd rather live in ignorance to. #speciesism waat just stap 😩🙈 😇👽🦄 angel alien baby about to rock my world I already know #thankful for my soon to be best teacher and friend 😍😐'

Mara and Jonathan began dating in 2014, and got engaged in December of the same year. Wolf is the first child for them both.

At the time of their meeting, a source told E! News: 'They are so in love. He is in a great place and Mara and Jonathan really complement one another. He is healthy and happy.'