CHANGES MADE IN SOME NEW VERSIONS:

(BBE) changed: "wherein" to "which had in it"
(CEV) changed: "wherein" to "and inside it were three things"
(ERV) changed: "wherein" to "Inside this Box was"
(GNB) changed: "wherein" to "and containing"
(GW) changed: "wherein" to "in the ark"
(ISV) changed: "wherein" to "In it were"
(Murdock) changed: "wherein" to "In it were"
(NIrV) changed: "wherein" to "It held"
(NIV)  changed: "wherein" to "This ark contained"
(NLT) changed: "Which had" to "In that room"
(NLT) changed: "wherein" to "Inside the Ark were"
(NRSV-CE) changed: "Which had" to "In it stood"
(WNT) changed: "wherein" to "In it were"

eSword: COMPARE

(BBE)  Having a vessel of gold in it for burning perfumes, and the ark of the agreement, which was covered with gold and which had in it a pot made of gold for the manna, and Aaron's rod which put out buds, and the stones with the writing of the agreement;

(CEV)  The gold altar that was used for burning incense was in this holy place. The gold-covered sacred chest was also there, and inside it were three things. First, there was a gold jar filled with manna. Then there was Aaron's walking stick that sprouted. Finally, there were the flat stones with the Ten Commandments written on them.

(ERV)  In the Most Holy Place was a golden altar for burning incense. And also there was the Box of the Agreement. The Box was covered with gold. Inside this Box was a golden jar of manna and Aaron's rod--the rod that once grew leaves. Also in the Box were the flat stones with the Ten Commandments of the old agreement on them.

(GNB)  In it were the gold altar for the burning of incense and the Covenant Box all covered with gold and containing the gold jar with the manna in it, Aaron's stick that had sprouted leaves, and the two stone tablets with the commandments written on them.

(GW)  It contained the gold incense burner and the ark of the Lord's promise. The ark was completely covered with gold. In the ark were the gold jar filled with manna, Aaron's staff that had blossomed, and the tablets on which the promise was written.

(ISV)  which had the gold altar for incense and the Ark of the Covenant completely covered with gold. In it were the gold jar holding the manna, Aaron's staff that had budded, and the Tablets of the Covenant.

(Murdock)  And there were in it the golden censer and the ark of the covenant, which was all over laid with gold; and in it were the golden urn which contained the manna and the rod of Aaron which sprouted, and the tables of the covenant;

(NIrV)  It had the golden altar for incense. It also had the wooden chest called the ark of the covenant. The ark was covered with gold. It held the gold jar of manna. It held Aaron's wooden staff that had budded. It also held the stone tablets. The words of the covenant were written on them.

(NIV)  which had the golden altar of incense and the gold-covered . This ark contained the gold jar of manna, Aaron's staff that had budded, and the stone tablets of the covenant.

(NLT)  In that room were a gold incense altar and a wooden chest called the Ark of the Covenant, which was covered with gold on all sides. Inside the Ark were a gold jar containing manna, Aaron's staff that sprouted leaves, and the stone tablets of the covenant.

(NRSV-CE)  In it stood the golden altar of incense and the ark of the covenant overlaid on all sides with gold, in which there were a golden urn holding the manna, and Aaron's rod that budded, and the tablets of the covenant;

(WNT)  This had a censer of gold, and the ark of the Covenant lined with gold and completely covered with gold, and in it were a gold vase which held the manna, and Aaron's rod which budded and the tables of the Covenant.

"Wherein" is describing the items that were in the respective rooms.

Items that were in (wherein) the first room, the sanctuary: the candlestick, table, and shewbread.

Hebrews 9:2 KJV
[2] For there was a tabernacle made; the first, wherein was the candlestick, and the table, and the shewbread; which is called the sanctuary.

Items that were in (wherein) the second room, the Holiest of all: the censer, ark, pot, manna, rod, Ten Commandments, angels, and mercyseat

Hebrews 9:3-5 KJV
[3] And after the second veil, the tabernacle which is called the Holiest of all; [4] Which had the golden censer, and the ark of the covenant overlaid round about with gold, wherein was the golden pot that had manna, and Aaron's rod that budded, and the tables of the covenant; [5] And over it the cherubims of glory shadowing the mercyseat; of which we cannot now speak particularly.


False teaching, Ark of the covenant contained the pot of manna and Aaron's rod

There was Nothing in the ark but the Ten Commandments: 1 Kings 8:9; 2 Chronicles 5:10

1 Kings 8:9 KJV
[9] There was nothing in the ark save the two tables of stone, which Moses put there at Horeb, when the Lord made a covenant with the children of Israel, when they came out of the land of Egypt.

2 Chronicles 5:10 KJV
[10] There was nothing in the ark save the two tables which Moses put therein at Horeb, when the Lord made a covenant with the children of Israel, when they came out of Egypt.