List of Famous people born on December 13rd

Princess Marina of Greece and Denmark, was a princess of the Greek royal house, who married Prince George, Duke of Kent, fourth son of King George V and Queen Mary in 1934. They had three children: Prince Edward, Duke of Kent, Princess Alexandra, and Prince Michael.

James Eagan Holmes is an American mass murderer responsible for the 2012 Aurora, Colorado shooting in which he killed 12 people and injured 70 others at a Century 16 movie theater on July 20, 2012. He had no known criminal background before the shooting occurred. Holmes booby-trapped his apartment with explosives before the shooting, which were defused one day later by a bomb squad.

Jay Dee "B.J." Penn III is an American professional mixed martial artist and Brazilian Jiu-Jitsu practitioner. Penn competed in the Ultimate Fighting Championship (UFC) and in K-1. Penn was the first American Gold medalist of the World Jiu-Jitsu Championship. In mixed martial arts, Penn has competed in the Featherweight, Lightweight, Welterweight, and Middleweight divisions. A former UFC Lightweight Champion and UFC Welterweight Champion, he is the second of seven fighters in UFC history to win titles in multiple weight classes. Penn fought to a draw against Caol Uno in the UFC 41 Lightweight Tournament. Through his tenures as champion, Penn unofficially unified the UFC Lightweight Championship and broke the all-time lightweight title defense record. In 2015, Penn was made the inaugural inductee into the Modern- Era Wing of the UFC Hall of Fame.

Heinz Georg Kramm, known professionally as Heino, is a German singer of Schlager and traditional Volksmusik. Having sold a total of over 50 million records, he is one of the most successful German musicians of all time.

Cameron Morrell Douglas is an American actor.

Rex Ashley Ryan is an American former football coach and a television analyst. Ryan was formerly the head coach of the New York Jets and Buffalo Bills of the National Football League (NFL), and also held various coaching positions with eight other NFL and college teams.

Robert Allen Ryan is an American football coach. He currently is the inside linebackers coach for the Baltimore Ravens. Ryan has served as a defensive coordinator or assistant coach for seven different NFL teams. He was the linebackers coach for the New England Patriots when they won both Super Bowl XXXVI and Super Bowl XXXVIII. Ryan is the son of Buddy Ryan and the twin brother of Rex Ryan.

Danielle Rose Collins is an American professional tennis player. She played collegiate tennis at the University of Virginia and won the NCAA singles title twice, 2014 and 2016, during her sophomore and senior years. Collins finished her career at Virginia in 2016 as the top-ranked collegiate player. Having first established her place on the WTA Tour when she reached the semifinals of the 2018 Miami Open as a qualifier, Collins' big breakthrough came at the 2019 Australian Open, where she reached the semifinals, defeating world No. 2 Angelique Kerber in the fourth round. She was also a quarterfinalist at the 2020 French Open in singles and the 2019 Wimbledon Championships in doubles, and has won one WTA 125K and four ITF singles titles. She reached a career-high ranking of world No. 23 in singles on January 28, 2019 and No. 86 in doubles on March 2, 2020.

Lester Louis Adler is an American record producer, music executive, talent manager, songwriter, film director, film producer, and co-owner of the Roxy Theatre in West Hollywood, California. Adler has produced and developed a number of iconic musical artists, including Carole King, Jan & Dean, The Mamas & the Papas and The Grass Roots. King's Diamond-certified album Tapestry, produced by Adler, won the 1972 Grammy Award for Album of the Year, and is widely considered one of the greatest pop albums of all time.

Thomas Matthew DeLonge is an American musician, singer, songwriter, author, record producer, actor, and filmmaker. Possessing a distinctive nasal singing voice, he is the lead vocalist and guitarist of the rock band Angels & Airwaves, which he formed in 2005, and was the co-lead vocalist, guitarist, and co-founder of the rock band Blink-182 from its formation in 1992 until his dismissal from the group in 2015.