"They're here! #beyonce #twins #jayz #happybirthday", Mathew Knowles wrote on Twitter, posting a card saying: "Happy birthday to the twins!"
Queen Bey announced her pregnancy in February on Instagram.
The sex of the twins is also unknown, but former United States president Barack Obama hinted at the arrival of two girls in a video message broadcast at the Songwriters Hall Of Fame.
The Carter family has two new additions to the family. "We are thankful to everyone for all your prayers, well wishes, love and support". Their 5-year-old daughter is excited to have a younger brother and sister.
US Weekly cited multiple unidentified sources as saying that the twins were born earlier this week.
German minister sees hope of 'soft' Brexit, with conditions
In recent days European Union officials have met Olly Robbins , the permanent secretary of the Department for Exiting the EU. The UK would seek a softer break from the EU, Rasmussen added.
Now that Beyonce's father officially confirmed that Beyonce finally birthed the twins, we are anxiously awaiting Jay-Z and her response.
The announcement got more than 8 million "likes" in the first 24 hours to become the "most-liked" Instagram post ever.
"That was for Beyoncé to tell not you", one tweet read. Her hands cupped her very obviously pregnant belly. Knowles' is obviously a proud father and grand-father excited to welcome two more lovely children to the family.
The "Heart of the City" rapper also changed the typography of his name to JAY-Z, returning the hyphen to his label after removing it four years ago during the release of his last record, Magna Carta Holy Grail. Stay tuned with SD Entertainer to find out Beyonce's reaction to her Dad's post and official announcement of the twins.
Two weeks later, Beyoncé's performed at the awards ceremony in LA with a cradling bump in motherhood themed show, also Through her pregnancy period she been sharing many images of her bare baby bump.