Robin Williams' youngest son Cody gets married on late father's birthday

The Williams family just got bigger.

Robin Williams' youngest son, Cody, paid tribute to the late actor by getting married on his birthday over the weekend. The Mrs. Doubtfire star would have turned 68 on July 21. Robin's daughter, Zelda, took to Instagram on Tuesday to share her brother and wife, Maria Flores', wedding news, as well pen a heartwarming note about the special day.

"The 21st of July has meant many things to me over the years. It’s the birthday of one of my favorite souls still on this earth, @junotemple. It’s the day Neil Armstrong stepped on the moon (as a space nerd, that’s pretty damn important). And it was the day my Dad was born, and the last day I got to see him," she wrote alongside family wedding photos. "That last one had begun to usurp the joy of the first two in recent years... that is, until two days ago, when it became something new."

"On the 21st of July, 2019, it became the day I officially gained a new sister!" she continued. "To @mariaaafloresssswilliams and Cody, you are a light in all of our lives. I’m so grateful to have paid witness to your love over the years, to have watched you grow and care for each other in ways we should all be so lucky to experience. You were already part of the family in my eyes, but now there’s an official slip of paper somewhere that agrees! Zak, Mom and I love you both dearly, and I think I can speak for all of us when I say CONGRATULATIONS TO THE BRIDE AND GROOM!!!"

Last week, Robin's eldest son, Zak, opened up about his father's "pain" in the years before his death.

"It was sad to see someone who was suffering so," Zak told Good Morning Britain. "As a family member and a child, you want to do everything you can to help soothe and ease what seemed to be intense personal pain."

The celebrated star and comedian died by suicide on Aug. 11, 2014. He was 63.

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Robin Williams with his children
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Robin Williams with his children
Robin Williams, daughter Zelda and son Cody during "RV" Los Angeles Premiere - Arrivals at Mann Village Theatre in Westwood, California, United States. (Photo by Gregg DeGuire/WireImage)
HOLLYWOOD, CA - NOVEMBER 9: Robin Williams and Zelda Williams arrive at "Old Dogs" World Premiere at the El Capitan Theater on November 9, 2009 in Hollywood, California. (Photo by Gregg DeGuire/FilmMagic)
Zelda Williams and Robin Williams during Robin Williams and JoJo Visit MTV's "TRL" - April 27, 2006 at MTV Studios - Times Square in New York City, New York, United States. (Photo by Jason Kempin/FilmMagic)
Cody Williams and actor Robin Williams attend "A Magical Evening" hosted by The Christopher and Dana Reeve Foundation at The Marriott Marquis on November 12, 2007 in New York City. (Photo by L. Busacca/WireImage)
NEW YORK - NOVEMBER 18: Zak Williams and Robin Williams attend the Timo Pre Fall 2009 Launch with Interview Magazine at Phillips De Pury on November 18, 2008 in New York City. (Photo by Jamie McCarthy/WireImage for Timo Wallets LLC)
Robin Williams and his daughter Zelda at the The Beverly Hilton Hotel in Beverly Hills, California (Photo by Lester Cohen/WireImage)
NEW YORK, NY - OCTOBER 05: Zelda Williams attends The Grand Opening Of SAG-AFTRA Foundation's Robin Williams Center at SAG-AFTRA Foundation Robin Williams Center on October 5, 2016 in New York City. (Photo by Steve Zak Photography/WireImage)
NEW YORK, NY - OCTOBER 05: Zachary Pym Williams and Zelda Willimas attend The Grand Opening Of SAG-AFTRA Foundation's Robin Williams Center at SAG-AFTRA Foundation Robin Williams Center on October 5, 2016 in New York City. (Photo by Steve Zak Photography/WireImage)
NEW YORK, NY - OCTOBER 05: Zachary Pym Williams attends The Grand Opening Of SAG-AFTRA Foundation's Robin Williams Center at SAG-AFTRA Foundation Robin Williams Center on October 5, 2016 in New York City. (Photo by Steve Zak Photography/WireImage)
SAN FRANCISCO, CA - OCTOBER 26: Zelda and Cody Williams, children of Robin Williams, take part in pre-game ceremonies before Game Five of the 2014 World Series between the San Francisco Giants and the Kansas City Royals at AT&T Park on October 26, 2014 in San Francisco, California. (Photo by Jamie Squire/Getty Images)
Billy Crystal greets Robin Williams' son Zak Williams before Zak throws out the first pitch before the start of San Francisco Giants' Game 5 of baseball's World Series against the Kansas City Royals at AT&T Park in San Francisco, Calif., on Sunday, Oct. 26, 2014.(Susan Tripp Pollard/Bay Area News Group)(Digital First Media Group/Bay Area News via Getty Images)
Robin Williams and Zelda Williams arrive to the New York Premiere of "House of D" held at Loews Lincoln Square , New York City ZAK BRIAN. (Photo by Brian ZAK/Gamma-Rapho via Getty Images)
US actress and daughter of late US actor Robin Williams, Zelda Williams arrives to attend the 18th Post-Golden Globes Party hosted by Warner Bros Pictures and InStyle at the Beverly Hilton Hotel on January 8, 2017 in Beverly Hills, California. / AFP / LILLY LAWRENCE (Photo credit should read LILLY LAWRENCE/AFP/Getty Images)
Actor Robin Williams and his daughter Zelda pose on arrival for the world premiere of the movie 'Happy Feet Two' in Hollywood on November 13, 2011 in southern California. Happy Feet Two will presented in RealD 3D and IMAX 3D, and also in 2D, on November 18, 2011. AFP PHOTO / Frederic J. BROWN (Photo credit should read FREDERIC J. BROWN/AFP/Getty Images)
HOLLYWOOD, CA - NOVEMBER 13: Actors Zelda Williams and Robin Williams attend the "Happy Feet Two" Los Angeles Premiere at Grauman's Chinese Theatre on November 13, 2011 in Hollywood, California. (Photo by Lester Cohen/WireImage)
WESTWOOD, LOS ANGELES, CA - AUGUST 13: Robin Williams and Zelda Williams pose at the premiere of Magnolia Pictures' 'World's Greatest Dad' at The Landmark Theater on August 13, 2009 in Los Angeles, California. (Photo by Jason Merritt/Getty Images)
HOLLYWOOD - JULY 20: Robin Williams and Zelda Williams attend the 2008 Outfest Film Festival Hosts The 14th Annual Film Competition Awards at the John Anson Ford Amphitheatre on July 20, 2008 in Hollywood, California. (Photo by Amy Graves/WireImage)
LOS ANGELES - JANUARY 09: (EXCLUSIVE ACCESS) Zelda Williams and Robin Williams backstage during the 33rd Annual People's Choice Awards held at the Shrine Auditorium on January 9, 2007 in Los Angeles, California. (Photo by Michael Buckner/Getty Images for PCA)
Robin Williams and Daughter Zelda during World Premiere of "Happy Feet" - Arrivals at Chinese Theater in Hollywood, California, United States. (Photo by SGranitz/WireImage)
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Looking back at his father's struggle, Zak admitted that he felt a sense of "helplessness" as he watched his father's emotional, internal struggle.

"I didn't know what I could do, or how I could be of the best support," Zak explained. "We all loved him so and found it difficult because he wasn't always open to sharing his personal pain and struggle… And we noticed that over a period of time."

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