ISB ~ Matthew 2 v13

Rise, take the child:God works within the structures of the family: Joseph is instructed by the angel because he is the head of the Holy Family and the one most responsible for their well-being (cf. Eph 5:21-6:3).

Egypt:A frequent place of refuge in the OT (Gen 12:10; 46:4; 1 Kings 11:40; Jer 26:21) and the location of large Jewish colonies (Alexandria and Elephantine) during NT times.