Exodus 1 5
Jacob had 70 descendants there, including Joseph who was already in Egypt.
Compare with other 3 random translations
GW Exodus 1:5Joseph was already in Egypt. The total number of Jacob’s descendants was 70.
NAS Exodus 1:5All the people who descended from Jacob were seventy people, but Joseph was already in Egypt.
AMP Exodus 1:5All the descendants of Jacob were seventy people; Joseph was [already] in Egypt.