NET
34 This will be a confirming sign for you that will be fulfilled through your two sons, Hophni and Phinehas: in a single day they both will die!
Darby
34 And this shall be the sign to thee, which shall come upon thy two sons, upon Hophni and Phinehas: in one day they shall die, both of them.
KJV
34 And this [shall be] a sign unto thee, that shall come upon thy two sons, on Hophni and Phinehas; in one day they shall die both of them.