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 14:28,29);
4. to the poor at all times (Deuteronomy 15:7-11);
5. according to their ability when they attended their annual feasts (Deuteronomy 16:16,17);
6. the first fruits of the land (Exodus 22:29; Deuteronomy 26:1-11).