'Seed' in the Bible

And he said, 'Thus is the reign of God: as if a man may cast the seed on the earth,

and may sleep, and may rise night and day, and the seed spring up and grow, he hath not known how;

'Teacher, Moses wrote to us, that if any one's brother may die, and may leave a wife, and may leave no children, that his brother may take his wife, and raise up seed to his brother.

'There were then seven brothers, and the first took a wife, and dying, he left no seed;

and the second took her, and died, neither left he seed, and the third in like manner,

and the seven took her, and left no seed, last of all died also the woman;