2 Samuel 10:2

Then David said, “I will show kindness to Hanun the son of Nahash, just as his father did to me.” So David sent [a letter along with] some of his servants to console him in regard to his father’s death; and David’s servants came into the land of the Ammonites.

1 Samuel 11:1

Now Nahash the Ammonite [king] went up and besieged Jabesh-gilead; and all the men of Jabesh said to Nahash, “Make a treaty [of peace] with us and we will serve you.”

Deuteronomy 23:3-6

An Ammonite or Moabite shall not enter the assembly of the Lord; none of their descendants, even to the tenth generation, shall ever enter the assembly of the Lord,

1 Samuel 22:3-4

And David went from there to Mizpah of Moab; and he said to the king of Moab, “Please let my father and my mother come [out of Judah] and stay with you until I know what God will do for me.”

Nehemiah 4:3-7

Now Tobiah the Ammonite was beside him, and he said, “Even what they are building—if a fox should get up on it, he would break down their stone wall.”

Nehemiah 13:1-3

On that day they read aloud from the book of Moses so that the people could hear [its words], and in it was found written that no Ammonite or Moabite could ever enter the assembly of God,

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 or Moabite shall not enter the assembly of the Lord; none of their descendants, even to the tenth generation, shall ever enter the assembly of the Lord,
Nehemiah 4:3
Now Tobiah the Ammonite was beside him, and he said, “Even what they are building—if a fox should get up on it, he would break down their stone wall.”
Nehemiah 13:1
On that day they read aloud from the book of Moses so that the people could hear [its words], and in it was found written that no Ammonite or Moabite could ever enter the assembly of God,

As his father

1 Samuel 22:3
And David went from there to Mizpah of Moab; and he said to the king of Moab, “Please let my father and my mother come [out of Judah] and stay with you until I know what God will do for me.”