Khloe Kardashian's son Tatum was given the legal surname Kardashian at birth

Khloe Kardashian and Tristan's Son Had Kardashian Last Name at Birth, Later Changed

Zachary Quinto On ‘American Horror Story’ Season 12 Cameo & Working With Kim Kardashian: “I Was Really Impressed”

Khloe Kardashian Gives Update on Nickname for Her Baby Boy Tatum