It had been revealed to him by the Holy Spirit that he should not see death before he had seen the Lord's Christ.{"Christ" (Greek) and "Messiah" (Hebrew) both mean "Anointed One"}

 If that was the case in Egypt, it may well be that in Judaea, where the old tribal ancestries still held good, men had to go to the headquarters of their tribe. Here is an instance where further knowledge has shown the accuracy of the New Testament. 