7:6 from the tribe of Asher twelve thousand, from the tribe of Naphtali twelve thousand, from the tribe of Manasseh twelve thousand,

from the tribe of Asher twelve thousand,

from the tribe of Naphtali twelve thousand,

from the tribe of Manasseh twelve thousand,

There is no apparent reason for these tribes to be mentioned in this order. Perhaps, it is the order in which they will be sealed. What is important is that the number is specific to 'twelve thousand' because God told John to write it this way.

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References to the Revelation of Jesus Christ are in bold italics. References to the Words of Jesus are in red. All other references are in bold only.
"Scripture taken from the NEW AMERICAN STANDARD BIBLE, ©1960, 1971, 1977, 1995, 2020 by The Lockman Foundation. All rights reserved.