Genesis 47:24

And it shall come to pass, in the increase
When the land shall produce an increase, and it shall be gathered in:

that you shall give the fifth [part] unto Pharaoh;
a fifth part of the increase:

and four parts shall be your own;
for the following uses, one part

for seed of the field:
to sow again with for the next year: a second part

for your food;
for food for themselves: a third part

for them of your household;
their servants and maids: and the fourth part

for food for your little ones;
for their children, be they young or old; or however four parts of five he proposed they should have for their own use, and for the maintenance of their families, which was a kind and generous proposal, when all might have been demanded, and they and theirs treated as slaves.