Exodus 1 5
All the descendants of Jacob were seventy people; Joseph was [already] in Egypt.
Compare with other 3 random translations
NIV Exodus 1:5The descendants of Jacob numbered seventy in all; Joseph was already in Egypt.
WEB Exodus 1:5All the souls who came out of Jacob’s body were seventy souls, and Joseph was in Egypt already.
YLT Exodus 1:5And all the persons coming out of the thigh of Jacob are seventy persons; as to Joseph, he was in Egypt.