Exodus 12:4 in the World English Bible
and if the household is too little for a lamb, then he and his neighbor next to his house shall take one according to the number of the souls. You shall make your count for the lamb according to what everyone can eat.
Context
3 Speak ye unto all the congregation of Israel, saying, In the tenth day of this month they shall take to them every man a lamb, according to the house of their fathers, a lamb for an house:
4 And if the household be too little for the lamb, let him and his neighbour next unto his house take it according to the number of the souls; every man according to his eating shall make your count for the lamb.
5 Your lamb shall be without blemish, a male of the first year: ye shall take it out from the sheep, or from the goats: