Cristiano Ronaldo
Cristiano Ronaldo and Georgina Rodriguez welcomed their first baby together. Pictured: Ronaldo, Rodriguez and Cristiano Ronado Jr. arrive for The Best FIFA Football Awards 2016 ceremony, on Jan. 9, 2017 in Zurich. Getty Images/Michael Buholzer

Cristiano Ronaldo welcomed his fourth child and first baby with girlfriend Georgina Rodriguez.

On Sunday, the Portuguese footballer took to Instagram to introduce his firstborn with his model girlfriend. In the snap, Ronaldo is with his eldest son, Cristiano Jr., while Rodriguez is still lying in the hospital bed cuddling their baby whose face was not shown in the camera.

"Alana Martina was just born!" Ronaldo wrote in Portuguese. "Both Geo and Alana are doing great! We are all very happy!"

Alana Martina is Ronaldo's fourth baby. Aside from Cristiano Jr., the Real Madrid player welcomed fraternal twins to a surrogate mom in the U.S. in June. He reportedly named the twins Eva Maria and Mateo.

Weeks before Rodriguez's delivery, the footballer and the model have been very sweet on their social media posts. In October, Ronaldo shared a sweet family photo on Instagram featuring pregnant Rodriguez holding his twins and seven-year-old Cristiano Jr. reading a book. The family appeared to be enjoying a peaceful day at the park. The athlete did not say much about the snap. "Picture of the day," he wrote in the caption.

Earlier this month, Rodriguez took to Instagram to reaffirm her love and admiration for her boyfriend. In the snap, the lovers are all smiles while holding a trophy in their hand.

"What a special day! Let's toast for now without alcohol and instead with your well-deserved trophies. For all of your effort, dedication, sacrifice, and so many hours of training to be at another level," Rodriguez wrote (translation by E! News). "Your life is soccer, and this is clearly reflected on the field."

Rodriguez promised to continue to support Ronaldo in his career while calling him "champion." "Keep being like this, always striving, and I'll be here by your side, supporting you, giving you love, tranquility and all that you need when you get home. In good times and in bad times, because there couldn't be any other way. We love and admire you, champion."

Ronaldo and Rodriguez announced that they were expecting in July. In August, she debut her baby bump in the Hola cover. On the said interview, the new mom said that she is "very family oriented and I love kids."

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