Cross reference
Exodus 13:20
20 And they journey from Succoth, and encamp in Etham at the extremity of the wilderness,
Exodus 12:37
37 And the sons of Israel journey from Rameses to Succoth, about six hundred thousand men on foot, apart from infants;
Numbers 33:5-6
5 and the sons of Israel journey from Rameses, and encamp in Succoth.
6 And they journey from Succoth, and encamp in Etham, which `is' in the extremity of the wilderness;