2 Samuel 10:2

And David will say, I will do mercy with Hanun son of Nahash, as his father did mercy with me. And David will send to comfort him by the hand of his servants for his father. And David's servants will come to the land of the sons of Ammon.

1 Samuel 11:1

And Nahash the Ammonite will come up and encamp against Jabesh-Gilead: and all the men of Jabesh will say to Nahash, Cut out to us a covenant, and we will serve thee.

Deuteronomy 23:3-6

An Ammonite and a Moabite shall not come into the gathering of Jehovah; also the tenth generation to them shall not come in to the gathering of Jehovah, even forever:

1 Samuel 22:3-4

And David will go from thence to Mizpeh of Moab: and he will say to the king of Moab, My father will come forth now, and my mother with you, till I shall know what God will do to me.

Nehemiah 4:3-7

And Tobiah the Ammonite near him, and he will say, Also that they are building, if a fox shall go up, and he brake their walls of stones.

Nehemiah 13:1-3

In that day was read in the book of Moses in the ears of the people; and it was found written in it that there shall not come in an Ammonite and a Moabite to the convocation of God, even to forever;

Treasury of Scripture Knowledge

Summary

Then said David, I will shew kindness unto Hanun the son of Nahash, as his father shewed kindness unto me. And David sent to comfort him by the hand of his servants for his father. And David's servants came into the land of the children of Ammon.

As his father

Bible References

Shew kindness

Deuteronomy 23:3
An Ammonite and a Moabite shall not come into the gathering of Jehovah; also the tenth generation to them shall not come in to the gathering of Jehovah, even forever:
Nehemiah 4:3
And Tobiah the Ammonite near him, and he will say, Also that they are building, if a fox shall go up, and he brake their walls of stones.
Nehemiah 13:1
In that day was read in the book of Moses in the ears of the people; and it was found written in it that there shall not come in an Ammonite and a Moabite to the convocation of God, even to forever;

As his father

1 Samuel 22:3
And David will go from thence to Mizpeh of Moab: and he will say to the king of Moab, My father will come forth now, and my mother with you, till I shall know what God will do to me.