What does 1 Chronicles 7:2 mean?

And the sons of Tola: Uzzi, and Rephaiah, and Jeriel, and Jahmai, and Ibsam, and Shemuel, heads of their fathers’ houses, to wit, of Tola; mighty men of valor in their generations: their number in the days of David was two and twenty thousand and six hundred.

And the sons of Tola; Uzzi, and Rephaiah, and Jeriel, and Jahmai, and Jibsam, and Shemuel, heads of their father’s house, to wit, of Tola: they were valiant men of might in their generations; whose number was in the days of David two and twenty thousand and six hundred.

And the sons of Tola: Uzzi, and Rephaiah, and Jeriel, and Jahmai, and Ibsam, and Shemuel, heads of their fathers’ houses, to wit, of Tola; mighty men of valor in their generations: their number in the days of David was two and twenty thousand and six hundred.

And the sons of Tola: Uzzi and Rephaiah and Jeriel and Jahmai and Ibsam and Shemuel, heads of their families; they were men of war; in the record of their generations their number in the time of David was twenty-two thousand, six hundred.

And sons of Tola: Uzzi, and Rephaiah, and Jeriel, and Jahmai, and Jibsam, and Shemuel, heads of the house of their fathers, <FI>even<Fi> of Tola, mighty of valour in their generations: their number in the days of David <FI>is<Fi> twenty and two thousand and six hundred.

The sons of Thola: Ozi and Raphaia, and Jeriel, and Jemai, and Jebsem, and Samuel, chiefs of the houses of their kindreds. Of the posterity of Thola were numbered in the days of David, two and twenty thousand six hundred most valiant men.

And the sons of Tola: Uzzi, and Rephaiah, and Jeriel, and Jahmai, and Jibsam, and Samuel, heads of their fathers' houses, of Tola, valiant men of might in their generations; their number in the days of David was twenty-two thousand six hundred.