Original: Maya inscriptions mention an individual nicknamed by scholars as "Spearthrower Owl", apparently ruler of Teotihuacan, who reigned for over 60 years and installed his relatives as rulers of Tikal and Uaxactun in Guatemala.
Simplified: Maya inscriptions mention an individual nicknamed by scholars as "Spearthrower Owl". He installed his relatives as rulers of Tikal and Uaxactún in Guatemala.