Princess Beatrice brought her second daughter, Athina Elizabeth Rose, the world’s second daughter, Buckingham, announced.

Queen Elizabeth’s granddaughter, 36, gave birth several weeks earlier on January 22 at the Chelsea and Westminster Hospital in London, with the royal baby healthy.

Beatrice and her daughter have returned home, with the family enjoying time with Athena’s older brothers, Wolfie and Sienna.

The king and the queen have been informed and happy, Buckingham palaces said.

Beatrice’s husband, Edoardo Mapelli, published a tribute to his new daughter, describing her as “tiny and perfectly perfect”.

He wrote on Instagram posting a photo of Athena wrapped in a blanket: “Athena Elizabeth Rose Mapelli Mozzi.

“We welcomed little Athena to our lives last week. It is tiny and perfectly perfect.

“We are all (including Wolfie and Sienna) already excited with her.

“Our hearts are overflowing with love for you, baby Athena.

“A huge thank you from my wife and me to all the wonderful staff of Chelsea and Westminster Hospital for their excellent care and support during this incredibly special moment.”

The royal baby is the youngest sister of the three -year -old daughter of the couple, Sienna, and the son of Mapelli Mozzi and the adoptive son of Beatrice Beatrice, eight -year -old Wolfie.