Original Verse:
Zechariah Chapter 12 Verse 12And the land shall mourn, every family apart; the family of the house of David apart, and their wives apart; the family of the house of Nathan apart, and their wives apart;

Reference Verses:
2nd Samuel Chapter 12 Verse 1And the LORD sent Nathan unto David. And he came unto him, and said unto him, There were two men in one city; the one rich, and the other poor.
Luke Chapter 3 Verse 31Which was the son of Melea, which was the son of Menan, which was the son of Mattatha, which was the son of Nathan, which was the son of David,
Jeremiah Chapter 4 Verse 28For this shall the earth mourn, and the heavens above be black: because I have spoken it, I have purposed it, and will not repent, neither will I turn back from it.
Exodus Chapter 12 Verse 30And Pharaoh rose up in the night, he, and all his servants, and all the Egyptians; and there was a great cry in Egypt; for there was not a house where there was not one dead.
2nd Samuel Chapter 5 Verse 14And these be the names of those that were born unto him in Jerusalem; Shammuah, and Shobab, and Nathan, and Solomon,
2nd Samuel Chapter 7 Verse 2-4 [2] That the king said unto Nathan the prophet, See now, I dwell in an house of cedar, but the ark of God dwelleth within curtains. [3] And Nathan said to the king, Go, do all that is in thine heart; for the LORD is with thee. [4] And it came to pass that night, that the word of the LORD came unto Nathan, saying,
Jeremiah Chapter 3 Verse 21A voice was heard upon the high places, weeping and supplications of the children of Israel: for they have perverted their way, and they have forgotten the LORD their God.
Jeremiah Chapter 31 Verse 18I have surely heard Ephraim bemoaning himself thus; Thou hast chastised me, and I was chastised, as a bullock unaccustomed to the yoke: turn thou me, and I shall be turned; for thou art the LORD my God.
Matthew Chapter 24 Verse 30And then shall appear the sign of the Son of man in heaven: and then shall all the tribes of the earth mourn, and they shall see the Son of man coming in the clouds of heaven with power and great glory.
Revelation Chapter 1 Verse 7Behold, he cometh with clouds; and every eye shall see him, and they also which pierced him: and all kindreds of the earth shall wail because of him. Even so, Amen.
Jeremiah Chapter 13 Verse 18Say unto the king and to the queen, Humble yourselves, sit down: for your principalities shall come down, even the crown of your glory.
Jonah Chapter 3 Verse 5So the people of Nineveh believed God, and proclaimed a fast, and put on sackcloth, from the greatest of them even to the least of them.
Jonah Chapter 3 Verse 6For word came unto the king of Nineveh, and he arose from his throne, and he laid his robe from him, and covered him with sackcloth, and sat in ashes.
Zechariah Chapter 7 Verse 3And to speak unto the priests which were in the house of the LORD of hosts, and to the prophets, saying, Should I weep in the fifth month, separating myself, as I have done these so many years?
Joel Chapter 2 Verse 16Gather the people, sanctify the congregation, assemble the elders, gather the children, and those that suck the breasts: let the bridegroom go forth of his chamber, and the bride out of her closet.
1st Corinthians Chapter 7 Verse 5Defraud ye not one the other, except it be with consent for a time, that ye may give yourselves to fasting and prayer; and come together again, that Satan tempt you not for your incontinency.