I've heard stories of these Mother God people. Some involve kidnapping, although I did a quick search on that - maybe it was slander against them. I don't know. But it was enough to keep me on edge when two guys approached me about it.

==== Here's what they had to say ====

There's the Mother God who is in the Bible and is the second half of the giver of the water of life. They pointed to Revelation 22:17. All of the scripture selections in this chapter will be in NASB:

The Spirit and the bride say, "Come." And let the one who hears say, "Come." And let the one who is thirsty come; let the one who wishes take the water of life without cost.

If we call God our Father, then what name would we call the bride of our Father? Answer: our Mother, according to them.

Then they said that Jerusalem is the giver of this water of life, pointing to Ezekiel 47, where Ezekiel describes that a stream of water flows out of the temple and grows into a strong and deep river that gives life to the Dead Sea:

And the water was flowing down from under, from the right side of the house, from south of the altar... and it was a river that I could not ford, for the water had risen, enough water to swim in, a river that could not be forded... Now when I had returned, behold, on the bank of the river there were very many trees on the one side and on the other... [The waters] go toward the sea, being made to flow into the sea, and the waters of the sea become fresh.

(v. 1, 5, 7, 8)

So, Jerusalem is the source of this water. Now, what do they say about Jerusalem? They pointed me to Galatians 4:

But the Jerusalem above is free; she is our mother.

(v. 26)

And finally, they pointed me to Genesis 1, in regards to how humans were made:

Then God said, "Let Us make man in Our image, according to Our likeness"... God created man in His own image, in the image of God He created him; male and female He created them.

(v. 26, 27)

And so, behold how God refers to Himself in the plural. So, when He created man, it was in the image of the Father. When He created woman, who was it in the image of? The Mother.

==== Alright, fellas. Show's over. ====

I have quickly found that I am hostile to the idea of God the Mother. The primary reason is that adding her to the equation belittles the Triune God, as if He is not enough; as if His plan of redemption for us as outlined in Scriptures is not enough. So let's piece through the Mother God people's assertions.

Let's start with Revelation 22:17. Again, their assertion is that the bride of the Spirit has the godly authority of giving the water of life, because the bride also says, "Come." But, the text does not imply that; other people who are not God can also say, "come" to the water of life. It's in the same verse too: And let the one who hears, say, "Come."

The Biblical translators who make it a point to capitalize pronouns referring to the Deity (eg. the lads at The Lockman Foundation) have not capitalized the word "bride" in this verse. So, they do not acknowledge that it pertains to God.

Besides, we are the bride of Christ:

For I am jealous for you with a godly jealousy; for I betrothed you to one husband, so that to Christ I might present you as a pure virgin.

2 Corinthians 11:2

Wives, be subject to your own husbands, as to the Lord. For the husband is the head of the wife, as Christ also is the head of the church, He Himself being the Savior of the body. But as the church is subject to Christ, so also the wives ought to be to their husbands in everything. Husbands, love your wives, just as Christ also loved the church and gave Himself up for her, so that He might sanctify her, having cleansed her by the washing of water with the word, that He might present to Himself the church in all her glory, having no spot or wrinkle or any such thing; but that she would be holy and blameless.

Ephesians 5:22-27

Their next assertion is that Jerusalem is the source of the water of life (Ezekiel 47), which is the characteristic of God, and that Jerusalem is our mother (Galatians 4:26), and so that must mean that the Mother God exists.

There are two problems with this argument:

Firstly, Jerusalem itself is not the source of the water of life, the Temple is. Jerusalem is not the Deity. God's glory will never depart from Him (even the death of Jesus glorifies Him), but God's glory departed the Temple, which was in Jerusalem (Ezekiel 10:18). If Jerusalem was the Mother God, then it would not have been bereft of its glory.

Secondly, the Mother God people have taken Galatians 4:26 out of its context. Starting in verse 21, Paul uses the story of Abraham, Hagar, and Sarah to make a distinction between people who try to work their way into God's inheritance, and people who submit to Jesus and live in His grace according to the Spirit. The people who are born under the old covenant came from Mount Sinai, where God gave Moses the Law. This is contrasted with the people born of God's promise - and this covenant is associated with New Jerusalem (Guzik), which is above the earth and above the means of the flesh.

So, Galatians 4:26 is distinguishing between old and new covenant; the flesh and the Spirit. It's not a declaration of who the Mother God is.

==== On the Offensive ====

The Bible is very clear and complete in its story and purpose: redemption. And this redemption is clearly Messianic-centric. God purposed it that our complete redemption comes through the Messiah. Let's go through a quick gallery that shows this:

And I will put enmity

Between you and the woman,And between your seed and her seed;He shall bruise you on the head,And you shall bruise him on the heel.

(Genesis 3:15)

And I will bless those who bless you,

And the one who curses you I will curse.And in you all the families of the earth will be blessed.

(Genesis 12:3)

He shall build a house for My name, and I will establish the throne of his kingdom forever... Your house and your kingdom shall endure before Me forever; your throne shall be established forever.

(2 Samuel 7:13, 16)

'Behold, days are coming,' declares the LORD, 'when I will fulfill the good word which I have spoken concerning the house of Israel and the house of Judah. In those days and at that time I will cause a righteous Branch of David to spring forth; and He shall execute justice and righteousness on the earth.'

(Jeremiah 33:14-15)

"My servant David will be king over them, and they will all have one shepherd; and they will walk in My ordinances and keep My statutes and observe them."

(Ezekiel 37:24)

"I kept looking in the night visions,
And behold, with the clouds of heaven
One like a Son of Man was coming,
And He came up to the Ancient of Days
And was presented before Him.
And to Him was given dominion,
Glory and a kingdom,
That all the peoples, nations, and men of every language
Might serve Him.
His dominion is an everlasting dominion
Which will not pass away;

And His kingdom is oneWhich will not be destroyed."

(Daniel 7:13-14)

But He was pierced through for our transgressions,
He was crushed for our iniquities;
The chastening of our well-being fell upon Him,
And by His scourging we are healed.
All of us like sheep have gone astray,
Each of us has turned to his own way;
But the LORD has caused the iniquity of us all
To fall on Him.

(Isaiah 53:5-6)

"And I saw heaven opened, and behold, a white horse, and He who sat on it is called Faithful and True, and in righteousness He judges and wages war... He is clothed with a robe dipped in blood, and His name is called The Word of God... From His mouth comes a sharp sword, so that with it He may strike down the nations, and He will rule them with a rod of iron; and He treads the wine press of the fierce wrath of God, the Almighty. And on His robe and on His thigh He has a name written, "KING OF KINGS, AND LORD OF LORDS."

(Revelation 19:11, 13, 15)

The story of our redemption - it's exhaustively complete in Christ. He is the King who we've waited for in the Old Testament, the King we have proclaimed in the gospels, and the King who is to come. There's no emphasis on the Mother God's role, nor even a focus.

Jesus is complete. Jesus is enough. There's no room, no need, no lacking thing that comes from Him. To assert the necessity of the Mother God is to insult Jesus.

Sources:

Guzik, David. "Galatians Chapter 4." Enduring Word, 23 Aug. 2018, enduringword.com/bible-commentary/galatians-4/.