| 1. Knox is one of six children of Angelina Jolie and Brad Pitt. |
| 2. His birth made headlines after Angelina's pregnancy was revealed at the Independent Spirit Awards in 2008. |
| 3. He was born a minute before his twin sister, Vivienne Marcheline, weighing 5.3 lbs. |
| 4. The family spent time at Château Miraval in Provence, France after their birth. |
| 5. Brad Pitt humorously referred to their home as a 'cuckoo’s nest' after the arrival of the twins. |
| 6. Knox was named after Pitt's grandfather, and Léon is described as a classic French name. |
| 7. He enjoys music and has been seen frequently attending events with his mother. |
| 8. Angelina revealed that none of her children showed interest in acting as of 2016. |
| 9. Knox was named after his paternal great-grandfather, Hal Knox Hillhouse. His middle name Léon honours his maternal great-grandfather. |
| 10. The first pictures of Knox and Vivienne were sold to PEOPLE and Hello! magazines for 14 million dollars, making them the most expensive celebrity photographs ever taken. All proceeds were donated to the Jolie-Pitt Foundation. |
| 11. He was born in Nice, France on July 12, 2008, a minute before his twin sister Vivienne. |
| 12. He voiced a small role in Kung Fu Panda 3 alongside his siblings. |