The firstborn of man and beast was by Divine requirement given to the Lord ( Exodus 13:2 ). In addition to this the Hebrews were required to give,

1. one-tenth of the products of their land ( Leviticus 27:30 );
2. one-tenth of the increase of flocks and herds ( Leviticus 37:32-34 );
3. a special tithe every third year ( Deuteronomy 14:28 Deuteronomy 14:29 );
4. to the poor at all times ( Deuteronomy 15:7-11 );
5. according to their ability when they attended their annual feasts ( Deuteronomy 16:16 Deuteronomy 16:17 );
6. the first fruits of the land ( Exodus 22:29 ; Deuteronomy 26:1-11 ).