Popol Vuh

Then they decided to go to the east, thinking thus to fulfill the command of their fathers which they had not forgotten. It had been a long time since their fathers had died, when the tribes gave them their wives, and thus they acquired many relatives-in-law, when the three took wives.

And starting on their journey, they said: "We are going to the East, there whence came our fathers." So they said when the three sons set out. One was called Qocaib, and he was the son of Balam-Quitze, of the Cavec.