Ben Affleck and Jennifer Garner’s 15-year-old child has revealed their new name, Fin Affleck. The teen, who attended a memorial service for Jennifer’s father, William Garner, introduced themselves as Fin during the service, which was broadcast live on Facebook. Fin’s name had been previously seen on their rucksack, and they were also spotted recently with mom Jennifer. The teenager has been relatively private on social media, but it’s known that they have a close bond with their step-sibling, Emme Maribel Muñiz, the daughter of Jennifer Lopez and Marc Anthony. Jennifer Garner shared an emotional post on Instagram announcing the death of her father at 85, expressing gratitude for his life and the care provided by medical staff.