Queen Elizabeth's eldest granddaughter, Zara Tindall, has given birth to her third baby with husband Mike Tindall, but their son apparently couldn't wait to be out in the world as he was birthed on the bathroom floor at the couple's home in Gloucestershire.

Mike shared the news on his podcast show, The Good, The Bad & The Rugby. He revealed that they were preparing to go to the hospital last Sunday, but their son just "arrived very quickly."

Fortunately, Zara's closest friend, Dolly Maude, was also with the couple and realized that they wouldn't be able to make it to the hospital. So, they had to prepare a makeshift birthing area in the bathroom while Zara braced for the delivery. The couple's midwives, who were making their way to the hospital as well, had to detour to the family's house.

Zara and Mike named their son Lucas Philip, who has been named after the queen's husband, Prince Philip. The baby is Queen Elizabeth's 10th great-grandchild and the 22nd in the line of succession. The Tindall couple has two daughters, Mia Grace, 7, and Lena Elizabeth, 2, who were not around for the labor.

A spokesperson from Buckingham Palace said that Queen Elizabeth and Philip are delighted about the new addition to the royal family. They are hoping to see the new baby if "circumstances allow."  

Mike said that his wife is a warrior because she's been out on a walk with her newborn just a day after giving birth. The dad-of-three also saw the advantages of home birth because he was able to watch an old game of rugby and golf with his new son next to him.

Zara and Mike met in 2003 during the Rugby World Cup, where the latter played pro. The pair got married in 2011.

Meanwhile, Zara's mother, Princess Anne, was all smiles as she stepped out for her royal work. While visiting keyworkers at Cambridgeshire on Wednesday, the Princess Royal was quite upbeat and could not wipe out the huge grin on her face.

The Tindall baby is Anne's fifth grandchild but her first grandson. She also has two granddaughters from her eldest son Peter, who are named Savannah, 10, and Isla Elizabeth, 8.

Zara lives very close to her mother's estate, and they have been staying under the same COVID-19 bubble since the holidays. Though she is Queen Elizabeth's granddaughter, she was no royal as it was Anne's choice not to give titles to her children and, consequently, her grandchildren.