What ever happened to Balak after the Bil'am affair? Bil'am is referred to often as Bil'am HaRasha' (the wicked), and he is blamed for the entire encounter as well as the Ba'al Pe'or incident. But wasn't Balak to blame for conceiving of the idea of cursing Bnei Yisrael? I thought the Ba'al Pe'or idea was the Plan B of that effort, which I'd think would at least give him a share of the blame there as well. Did he repent? Do we know anything of his descendants?
בשכר מ"ב קרבנות שהקריב בלק הרשע זכה ויצתה ממנו רות דאמר רבי יוסי ברבי חנינא רות בת בנו של עגלון בן בנו של בלק מלך מואב
As a reward for the forty-two sacrifices which the wicked Balak offered he gained the privilege of having Ruth descended from him; for R. Jose son of R. Hanina said: Ruth was the daughter of the son of Eglon who was the son of the son of Balak, King of Moav.