Numbers 25:7
7 nWhen Phinehas othe son of Eleazar, son of Aaron the priest, saw it, he rose and left the congregation and took a spear in his hand
Exodus 6:25
25 Eleazar, Aaron’s son, took as his wife one of the daughters of Putiel, and ishe bore him Phinehas. These are the heads of the fathers’ houses of the Levites by their clans.