God's.

Genesis 28:17
And he was afraid and said, "How awesome is this place! This is none other than the house of God; this is the gate of heaven!"

Genesis 12:8
From there Abram moved on to the hill country east of Bethel and pitched his tent, with Bethel to the west and Ai to the east. There he built an altar to the LORD, and he called on the name of the LORD.

Genesis 21:33
And Abraham planted a tamarisk tree in Beersheba, and there he called upon the name of the LORD, the Eternal God.

Genesis 33:20
There he set up an altar and called it El-Elohe-Israel.

Genesis 35:1, 15
Then God said to Jacob, "Arise, go up to Bethel, and settle there. Build an altar there to the God who appeared to you when you fled from your brother Esau." . . .

I will.

Genesis 14:20
and blessed be God Most High, who has delivered your enemies into your hand." Then Abram gave Melchizedek a tenth of everything.

Leviticus 27:30-33
Thus any the tithe from the land, whether from the seed of the land or the fruit of the trees, belongs to the LORD; it is holy to the LORD. . . .

Deuteronomy 14:22, 23
You must be sure to set aside a tenth of all the produce brought forth each year from your fields. . . .