All About Kimberly Guilfoyle's Son, Ronan Anthony Villency

Kimberly Guilfoyle is the mother of one.

The former Fox News host shares son Ronan Anthony Villency, born on Oct. 4, 2006, with her ex-husband, Eric Villency.

After Guilfoyle and Eric separated in 2009, the media personality got engaged to Donald Trump Jr. in 2020. The couple had known each other for a decade before their relationship turned romantic in early 2018.

Trump Jr. and his ex-wife Vanessa Haydon share five children: daughter Kai Madison, son Donald John III, son Tristan Milos, son Spencer Frederick and daughter Chloe Sophia.

Guilfoyle often posts about Ronan on her Instagram in celebration of birthdays, holidays and public outings. Most recently, she penned a tribute to him on Mother's Day in May 2024.

"Ronan, I have loved every moment of being your mom. You always make me so proud. Being a mother is truly the best job on the planet. Thank you. 💕 Love you so much," Guilfoyle wrote alongside a slideshow of images with her son.

Read on to learn more about Kim Guilfoyle's son, Ronan.

He was born in New York

Ronan was born to Guilfoyle and Eric at New York Hospital on Oct. 4, 2006. He is the only child of the former couple.

In September 2021, Guilfoyle celebrated National Son's Day with a post on Instagram. "Happy National Son’s day to my best boy. You are everything a mother could dream of in a lifetime," she began in the caption.

"Thank you for always being such a good person. You are loving, kind, hard working, patient and filled with joy. Time has flown by can’t wait for you to turn 15 on October 4th.
#blessed 💙🙏" she concluded.

He was three years old when his parents divorced

Guilfoyle and Eric wed in May 2006 at a resort in Barbados, per The New York Times, just a few months before welcoming Ronan. They were married for less than three years before they divorced in 2009. At the time Ronan was three years old.

Following their divorce, the former couple has continued to co-parent their son. The news personality shared an Instagram roundup in April 2024 which included an image of Eric alongside his son before prom.

Before Eric, Guilfoyle was married to politician Gavin Newsom from December 2001 to February 2006, when their divorce was finalized.

He makes Kimberly 'proud'

Guilfoyle has shared updates with her followers on social media about Ronan through the years. In April 2024, she penned a tribute to her son — alongside a roundup of prom photos — in honor of his high school milestone.

"Seeing Ronan all dressed up and ready for prom brings back a flood of memories - from his first steps to this momentous occasion. It’s a testament to his growth, his character, and the incredible young man he’s become," she began in the Instagram caption.

"As a mom, there’s no greater feeling than witnessing your child embark on milestones like this with confidence and excitement. Ronan, you make me so proud every single day. Here’s to you and the journey ahead! 💖" she concluded.

Kimberly nicknamed him 'RoDog'

Guilfoyle has referred to Ronan by his nickname, "RoDog," in several social media posts through the years. In October 2019, she celebrated his birthday on Instagram, writing, "Happy Birthday to my Ro Dog! 13 years old today and such an amazing, generous, and loving little man. I could not be more proud of you! Love you so much Ronan!"

He plays many sports, including football

According to Guilfoyle's Instagram, Ronan is very active and involved in a number of outdoor activities. Among them include football, wakeboarding and fishing.

He has attended various political events with the Trump family

Ronan has appeared with the Trump family at many events through the years. Recently, he joined Guilfoyle and Trump Jr. at the 2024 Republican National Convention at the Fiserv Forum in Milwaukee on July 17, 2024. They were pictured sitting behind Texas Governor Greg Abbott, Donald Trump and Governor of North Dakota Doug Burgum.