"Congratulations to my daughter Janet Jackson on the birth of my Grandson," Joe Jackson wrote in a sweet message on his website on Wednesday. "Making me a grandfather again! Wishing you all the love and happiness a father could wish a daughter."
La Toya Jackson, Janet's older sister, tweeted a baby announcement on Tuesday, writing, "How exciting! @JanetJackson. Jan and Wissam just gave birth to a beautiful baby boy!!! Congratulations!!!!"
Congrats Auntie @JanetJackson!!! So so happy for you & Wissan. Enjoy every minute with your greatest hit, Elissa. 😊 #parenthoodisthebest— TJ Jackson (@tjjackson) January 4, 2017.
Janet's nephew, TJ Jackson, also sent a congratulatory tweet on the family's new addition, which the singer's niece, Paris, retweeted.
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How exciting! @JanetJackson, Jan and Wissam just gave birth to a beautiful baby boy!!!
Congratulations!!! pic.twitter.com/X8ScYnv09I— La Toya Jackson (@latoyajackson) January 4, 2017
ET broke Jackson's pregnancy news in May. While the 50-year-old pop icon maintained a low profile throughout her pregnancy, Janet debuted her baby bump during a rare public appearance in September and shared a pregnancy update with fans in November.
Janet's rep confirmed the baby's birth in a statement to ET on Tuesday.
"Janet Jackson and husband Wissam Al Mana are thrilled to welcome their new son Eissa Al Mana into the world," the rep revealed. "Janet had a stress-free healthy delivery and is resting comfortably."
