The First Born of Man and Beast Dedicated to God
Source: TTT
Exodus 13:2, 12
“Consecrate to Me every firstborn male. The firstborn from every womb among the Israelites belongs to Me, both of man and beast.” / you are to present to the LORD the firstborn male of every womb. All the firstborn males of your livestock belong to the LORD.
Exodus 22:29
You must not hold back offerings from your granaries or vats. You are to give Me the firstborn of your sons.