'Seed' in the Bible

As He spake unto our fathers, To Abraham and to his seed -- to the age.'

'The sower went forth to sow his seed, and in his sowing some indeed fell beside the way, and it was trodden down, and the fowls of the heaven did devour it.

'And this is the simile: The seed is the word of God,

saying, 'Teacher, Moses wrote to us, If any one's brother may die, having a wife, and he may die childless -- that his brother may take the wife, and may raise up seed to his brother.