This can be stated in active form. AT: "may you do what you promised to me and my family, and may your promise never change" (See: [[rc://en/ta/man/translate/figs-activepassive]])
David is speaking about himself in the third person. This can be stated in the first person. AT: "me and my family" (See: [[rc://en/ta/man/translate/figs-123person]])
# May your name be forever great
Here "name" represents Yahweh's reputation. (See: [[rc://en/ta/man/translate/figs-metonymy]])
# the house of me, David, your servant
Here "house" represents family. AT: "my family" (See: [[rc://en/ta/man/translate/figs-metonymy]])