6 If your father misses me at all, then say, ‘David earnestly asked leave of me that he might run to Bethlehem his city; for it is the yearly sacrifice there for all the family.’
1 Samuel 20:6 Cross References - WEB
Deuteronomy 12:5
5 But to the place which Yahweh your God shall choose out of all your tribes, to put his name there, you shall seek his habitation, and you shall come there.
1 Samuel 9:12
12 They answered them and said, “He is. Behold, he is before you. Hurry now, for he has come today into the city; for the people have a sacrifice today in the high place.
1 Samuel 16:2-5
2 Samuel said, “How can I go? If Saul hears it, he will kill me.” Yahweh said, “Take a heifer with you, and say, I have come to sacrifice to Yahweh.
3 Call Jesse to the sacrifice, and I will show you what you shall do. You shall anoint to me him whom I name to you.”
4 Samuel did that which Yahweh spoke, and came to Bethlehem. The elders of the city came to meet him trembling, and said, “Do you come peaceably?”
5 He said, “Peaceably; I have come to sacrifice to Yahweh. Sanctify yourselves, and come with me to the sacrifice.” He sanctified Jesse and his sons, and called them to the sacrifice.
1 Samuel 17:58
58 Saul said to him, “Whose son are you, you young man?” David answered, “I am the son of your servant Jesse the Bethlehemite.”
John 7:42
42 Hasn’t the Scripture said that the Christ comes of the offspring of David, and from Bethlehem, the village where David was?”