Question: how is xbalanque related to hun hunahpu?
Answer: Hun Hunahpu (pronounced [hunhunaxˈpu]), or 'Head-Apu I' (a calendrical name) is a figure in Mayan mythology. According to Popol Vuh he was the father of the Maya Hero Twins, Head-Apu and Xbalanque. As their shared calendrical day name suggests, Head-Apu I was the father of Head-Apu.