Hun baby herkent mijn stem al.

Here hun means their.

So:

• hun baby = their baby

This is different from hen, which is usually the object pronoun them in standard Dutch.

A quick comparison:

• Ik zie hen. = I see them.
• Ik geef hun een boek. = I give them a book.
• hun baby = their baby

So in this sentence, hun is a possessive determiner.

Because hun already functions like their in English.

In Dutch, a possessive word normally replaces the article:

• de baby = the baby
• hun baby = their baby
• mijn stem = my voice

So you do not say:

• de hun baby ❌

Just:

• hun baby ✅

The base form is herkennen, which means to recognize.

herkent is the third-person singular present tense form, used with:

• hij/zij/het
• singular nouns like de baby, mijn broer, het kind

Conjugation:

• ik herken
• jij herkent
• hij/zij/het herkent
• wij herkennen
• jullie herkennen
• zij herkennen

So Hun baby herkent... uses herkent because baby is singular.

Because Dutch main clauses usually follow the verb-second rule.

In this sentence:

• Hun baby = subject
• herkent = finite verb
• mijn stem = object
• al = adverb

The finite verb comes in the second position:

• Hun baby | herkent | mijn stem al.

This is very normal Dutch word order.

Here al means already.

So:

• Hun baby herkent mijn stem al.
• Their baby already recognizes my voice.

It suggests that this is happening sooner than expected, or that the baby has reached that stage.

Be careful: al can also mean all in some contexts, but here it clearly means already.

Yes. In this sentence, stem means voice.

Dutch stem can have several meanings depending on context, including:

• voice
• vote
• grammatical stem
• sometimes tuning/intonation-related meanings in certain contexts

But in:

• mijn stem herkennen

the meaning is clearly recognize my voice.

Because mijn is the normal possessive form for my.

Examples:

• mijn stem = my voice
• mijn baby = my baby
• mijn boek = my book

Unlike adjectives, possessive determiners like mijn, jouw, zijn, haar, ons, jullie, hun do not change here in the way English learners might expect.

You may also see the spoken/written informal form m’n, but mijn is the full standard form.

Because Dutch grammar follows the noun, not modern English-style singular they usage.

Baby is a singular noun, so the verb is singular:

• de baby herkent = the baby recognizes

Even if English speakers might say their baby or refer to a baby in different ways, the Dutch verb here agrees with baby, which is singular.

Yes. Herkennen normally takes a direct object.

So you can say:

• Ik herken hem. = I recognize him.
• Zij herkent de stem. = She recognizes the voice.
• Hun baby herkent mijn stem. = Their baby recognizes my voice.

There is no extra preposition needed here.

You could form something like that, but it is much less natural here.

Dutch strongly prefers the possessive determiner:

• Hun baby herkent mijn stem al. ✅

Using van is more common when you need emphasis, clarification, or when a simple possessive is awkward:

• de vader van mijn vriend
• de kleur van de auto

So for their baby, hun baby is the normal and natural choice.