General Hospital star Sawandi Wilson had a fun and eventful Thanksgiving holiday with his family, as he celebrated a milestone birthday for his mother over the weekend.On his Instagram account, Wilson (Dr. Isaiah Gannon) wished a happy birthday to his mother, Marlene, who turned 70. The General Hospital star attended a birthday party for her in New York with other family and friends, and shared a post about the celebration.He captioned the post, “Coming to NY AND celebrating my mom’s Surprise ‘25th’ (70th) birthday 🎂 will forever be one of the best days of my life. Love you, Mom.”General Hospital star enjoyed quality time with familySawandi Wilson as Dr. Isaiah Gannon | Image: ABCWilson shared a video showing highlights of the celebration, set to the tune of the classic Grover Washington Jr. hit "Just the Two of Us." The video included the moment when his mom realized it was a surprise party. He showed her dancing with members of their family and smiling behind a birthday cake. A sign in the room said “Marlene’s Day of Elegance.”Wilson’s mom wore a beauty pageant sash around her chest that said “Birthday Queen” and she wore a crown as well, as her family celebrated her role as matriarch. View this post on Instagram Instagram PostWilson included a picture of himself and his mother in the video, as well as an older picture of them together when he was a teenager or young adult.Several General Hospital co-stars shared their birthday wishes for Wilson’s mother.Finola Hughes (Anna Devane) commented, “Beautiful,” and Wilson replied, “She’s a queen.”Maura West (Ava Jerome) commented, “Happy Birthday to your beautiful Momma!!!!!” Tabyana Ali (Trina Robinson) said, “Happy birthday, beautiful.” Holly Gagnier (Jennifer Smith) commented with heart emojis.Wilson had an eventful and fun holiday period around the Thanksgiving Holiday. He shared a lot of pictures from a trip to Sequoia National Park in California, where he, his girlfriend Anna Eilinsfield, and his dog Brando spent quality time among the giant redwood trees in the area, and snow-covered mountains.Wilson was born in Westbury, New York, which is located in Long Island.In Port Charles, Isaiah is having a good time enjoying his new romance with Dr. Portia Robinson (Brook Kerr), but is still unaware that she could be pregnant with his child. Offscreen, however, things appear to be going really well for the General Hospital star, who has been on the show since 2024.Wilson has also appeared on shows such as Star Trek: Discovery, Bull, The House of Flowers and Dudes, and does a lot of voiceover work.Catch all-new episodes of General Hospital weekdays on ABC and Hulu.