Exodus 10:8-9

And Moses and Aaron were brought again unto Pharaoh: and he said unto them, Go, serve the LORD your God: {but} who {are} they that shall go? {who...: Heb. who and who, etc} And Moses said, We will go with our young and with our old, with our sons and with our daughters, with our flocks and with our herds will we go; for we {must hold} a feast unto the LORD.