and in your godliness brotherly kindness; and in your brotherly kindness love.
and to godliness brotherly kindness; and to brotherly kindness charity.
And in [exercising] godliness [develop] brotherly affection, and in [exercising] brotherly affection [develop] Christian love.
and to godliness, affection for others; and to affection for others, love.
and in piety, love of brotherhood; and in love of brotherhood, charity.