King of the Vandals and Alani (428-77) (gi´serik) or Genseric, One of the ablest of the barbarian invaders of the Roman Empire. He led (429) his people from Spain into Africa, possibly at the request of Boniface , and quickly subdued a large territory, which was later (435) ceded to him by treaty. He took Carthage in 439, sent a fleet to r...