The children of Prince William and Kate Middleton — George, Charlotte and Louis — are third, fourth and fifth in line for the British throne, respectively, and they're in great company. See photos of more royal babies from around the world.
Eléonore, Gabriel, Elisabeth and Emmanuel of Belgium
Belgium's Crown Prince Philippe and wife Princess Mathilde with newborn baby Princess Eléonore, Prince Gabriel, left, Princess Elisabeth and Prince Emmanuel, right, in Anderlecht, Belgium, on April 18, 2008.
Prince Gabriel and Princess Elisabeth of Belgium
Belgium's Princess Mathilde, center, holds her newborn son Gabriel Boudouin Charles Marie, left, and her daughter Princess Elisabeth, during a photo session at the Royal Palace in Brussels on Aug. 22, 2003. Prince Gabriel was born Aug. 20, 2003.
Prince Louis of Britain
Britain's Prince Louis , the third child of Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge, pictured outside St Mary's Hospital in London on April 23, 2018.
Princess Charlotte of Britain
Britain's Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge, depart St Mary's Hospital in London, with their newborn daughter, Princess Charlotte, on May 2, 2015.
Prince George of Britain
Britain's Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge, pose with their newborn son, George, at St Mary's Hospital in London, on July 23, 2013.
Prince Vincent and Princess Josephine of Denmark
Denmark's Princess Mary and Prince Frederik pose after the christening of their twins, Prince Vincent and Princess Josephine, at Holmens Kirke in Copenhagen on April 14, 2011.
Princess Isabella and Prince Christian of Denmark
Denmark's Princess Mary of Denmark holds her daughter, Princess Isabella, while husband, Prince Frederik, holds son Prince Christian before the christening of their daughter at the Fredensborg Palace Church in Frendensborg, Denmark, on July 1, 2007.
Princess Isabella of Denmark
Denmark's Crown Princess Mary leaves the University Hospital in Copenhagen with her newborn daughter, Princess Isabella on April 23, 2007.
Prince Hisahito of Japan
Japan's Princess Kiko holds her newborn son, Prince Hisahito, as they leave a Tokyo hospital on Sept. 15, 2006. Prince Hisahito is the only child of Princess Kiko and Prince Akishino. Prince Hisahito is third in line to become Emperor of Japan, after his father and uncle, Prince Naruhito.
Princess Aiko of Japan
Princess Aiko, daughter of Japan's Crown Prince Naruhito and Crown Princess Masako, at her residence, Togu Palace, in Tokyo on June 19, 2002. Aiko, the first child of Naruhito and Masako, was born Dec. 1, 2001.
Prince Hashem of Jordan
Jordan's King Abdullah II with his wife Queen Rania, carrying son, Prince Hashem bin Al Abdullah, in Amman, Jordan on May 27, 2008. Prince Hashem was born Jan. 30 2005, sharing a birthday with his father.
Prince Hussein, Princess Salma and Princess Iman of Jordan
Jordan's King Abdullah and Queen Rani pose in a Jordan hospital with newborn Princess Salma, Prince Hussein, left, and Princess Iman on Sept. 26, 2000.
Princess Gabriella and Prince Jacques of Monaco
Monaco's Prince Albert II holds daughter, Princess Gabriella, while wife Princess Charlene holds son, Prince Jacques before their baptism at the Monaco Cathedral on May 10, 2015.
Ariane, Catharina-Amalia and Alexia of the Netherlands
Netherland's Crown Prince Willem Alexander, right, with his Argentinian-born wife, Princess Maxima and their daughters Princess Ariane, left, Princess Catharina-Amalia and Princess Alexia in Wassenaar, Netherlands on July 11, 2008.
Prince Sverre Magnus of Norway
Norway's Prince Sverre Magnus, the son of Norway's Crown Prince Haakon and Crown Princess Mette-Maritin, at the family home at Skaugum near Oslo on March 2, 2006.
Princess Ingrid Alexandra of Norway
Norway's Princess Ingrid Alexandra around her 4th birthday on Jan. 21, 2008.
Princess Sofia and Leonor of Spain
Spain's Crown Prince Felipe and his wife, Princess Letizia, with their two daughters Sofia, left, and Leonor in their official Christmas photo in Madrid on Dec. 14, 2007.
Prince Pablo Nicolas of Spain
Spanish Princess Cristina leaves a hospital in Barcelona on Dec. 9, 2000, with her newborn baby, Pablo Nicolas, who was born Dec 6, 2000.
Princess Leonor of Spain
Spain's Princess Letizia Ortiz, wife of Spanish Crown Prince Felipe, holds her daughter, Princess Leonor, as she sleeps during her first presentation to the media in Madrid on Nov. 7, 2005. Leonor was born Oct. 31, 2005.
Prince Oscar and Princess Estelle of Sweden
Sweden's Prince Daniel poses with wife Princess Victoria and children, Prince Oscar and Princess Estelle, at the Royal Palace in Stockholm on July 14, 2017.
Prince Gabriel and Prince Alexander of Sweden
Princess Sofia, with Sweden's Prince Gabriel in her arms and Prince Carl Philip, holding Prince Alexander, leave the Drottningholm Palace Chapel in Stockholm, after Gabriel's christening on Dec. 1, 2017.
Prince Alexander of Sweden
Sweden's Prince Alexander with father Prince Carl Philip and mother Princess Sofia pose at the Royal Palace in Stockholm on July 14, 2017. Prince Alexander was born April 19, 2016.
Prince Nicolas of Sweden
Sweden's Princess Madeleine and her husband, Christopher O'Neill, pose with their son, Prince Nicolas, outside Drottningholm Palace in Stockholm on Oct. 11, 2015. Prince Nicolas was born June 15, 2015.
Princess Leonore of Sweden
Sweden's Princess Madeleine and her husband Christopher O'Neill pose with their daughter Princess Leonore at the royal wedding of Prince Carl Philip of Sweden and Sofia Hellqvist at The Royal Palace in Stockholm on June 13, 2015. Princess Leonore was born Feb. 20, 2014.
Prince Taufa'ahau Manumataongo of Tonga
Prince Taufa'ahau Manumataongo Tuku'aho at the Free Wesleyan Church during the official coronation ceremony on July 4, 2015 in Nuku'alofa, Tonga. The little prince is currently second in line for the throne of the Polynesian kingdom of Tonga.