And of the children
ben  (bane)
a son (as a builder of the family name), in the widest sense (of literal and figurative relationship, including grandson, subject, nation, quality or condition, etc.

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of Ephraim
'Ephrayim  (ef-rah'-yim)
double fruit; Ephrajim, a son of Joseph; also the tribe descended from him, and its territory -- Ephraim, Ephraimites.

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twenty
`esriym  (es-reem')
twenty; also (ordinal) twentieth -- (six-)score, twenty(-ieth).

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thousand
'eleph  (eh'-lef)
hence (the ox's head being the first letter of the alphabet, and this eventually used as a numeral) a thousand -- thousand.

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and eight
shmoneh  (shem-o-neh')
a cardinal number, eight (as if a surplus above the perfect seven); also (as ordinal) eighth -- eight(-een, -eenth), eighth.

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hundred
me'ah  (may-aw')
a primitive numeral; a hundred; also as a multiplicative and a fraction -- hundred(-fold), -th), + sixscore.

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mighty
gibbowr  (ghib-bore')
powerful; by implication, warrior, tyrant -- champion, chief, excel, giant, man, mighty (man, one), strong (man), valiant man.

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men
'enowsh  (en-oshe')
a mortal; hence, a man in general (singly or collectively)English versions, especially when used in apposition with another word.

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of valour
chayil  (khah'-yil)
probably a force, whether of men, means or other resources; an army, wealth, virtue, valor, strength

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famous
shem  (shame)
an appellation, as a mark or memorial of individuality; by implication honor, authority, character -- + base, (in-)fame(-ous), named(-d), renown, report.

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throughout the house
bayith  (bah'-yith)
a house (in the greatest variation of applications, especially family, etc.)

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of their fathers
'ab  (awb)
father, in a literal and immediate, or figurative and remote application) -- chief, (fore-)father(-less), patrimony, principal. Compare names in Abi-.New American Standard Bible
Of the sons of Ephraim 20,800, mighty men of valor, famous men in their fathers' households.

King James Bible
And of the children of Ephraim twenty thousand and eight hundred, mighty men of valour, famous throughout the house of their fathers.

Holman Christian Standard Bible
From the Ephraimites: 20,800 brave warriors who were famous men in their ancestral houses.

International Standard Version
The tribe of Ephraim supplied 20,800 valiant soldiers who were well known in their ancestral households.

NET Bible
From Ephraim there were 20,800 warriors, who had brought fame to their families.

GOD'S WORD® Translation
From Ephraim's descendants there were 20,800 warriors who were famous among their families.

King James 2000 Bible
And of the children of Ephraim twenty thousand and eight hundred, mighty men of valor, famous men throughout the house of their fathers.1 Chronicles 12:30
1 Chronicles 12:30 NIV
1 Chronicles 12:30 NLT
1 Chronicles 12:30 ESV
1 Chronicles 12:30 NASB
1 Chronicles 12:30 KJV