'Seed' in the Bible

And he took some of the seed of the land, planting it in fertile earth, placing it by great waters; he put it in like a willow-tree.

And say to them, This is what the Lord has said: In the day when I took Israel for myself, when I made an oath to the seed of the family of Jacob, and I gave them knowledge of myself in the land of Egypt, saying to them with an oath, I am the Lord your God;

And she was full of desire for her lovers, whose flesh is like the flesh of asses and whose seed is like the seed of horses.

You are to give to the priests, the Levites of the seed of Zadok, who come near to me, says the Lord God, to do my work, a young ox for a sin-offering.

And they are not to take as wives any widow or woman whose husband has put her away: but they may take virgins of the seed of Israel, or a widow who is the widow of a priest.