1 Chronicles 1:50

And when Baal–hanan was dead, Hadad reigned in his stead: and the name of his city was Pai; and his wife’s name was Mehetabel, the daughter of Matred, the daughter of Mezahab.

Cross-references

Genesis 36:39 has the same account of Hadad's reign, with slight name variations (Hadar, Pau).