I only ask because some people don't like it when I point out these sorts of things. And thank you for allowing me to do this. I will put what you wrote, then a sentence with correct grammar/spelling, and then a sentence which you don't have to pick if you don't want to (it might make scenes more dramatic). Now then...let's get started.
When oh were describing Daniel you put, "Daniel ruffled a bit of his mocha locks kept into a lower ponytail..." It would be better if it was, "Daniel ruffled a bit of his mocha locks,which were kept in a low ponytail." or for a more dramatic affect you could put "Daniel, ruffling annoyedly at his dark mocha locks which were once tucked smoothly into it's usual low pony tail, seemed frustrated at the situation at hand."
When describing reader who is about to cry you put, "...pricked at the corners of (gem) eyes..." you should probibly take out the "(gem)" thing-y because for readers with brown eyes (like myself) I would be at a loss for brown gems. Like what do I put "poopy rocks"? I would appeal to more people (at least I think so) it it was more like "...tears pricking at the corners of your (e/c) eyes made then sparkle like gems- but all too soon the dam(like bevers not cursing) broke, ending the warm salty liquid spilling down her..." something like that play around with alliteration and words to pull out a more intiresting sentence.
Try to cut back on the use of the word female. There are many synonyms for it like girl, lady, woman, young miss or misses, etc.
When Julchen is being scolded my Daniel (after reader has started crying) "...confusion spread across her...'And you told have told me and Monica that...." Now if Julchen already know about the baby then she wouldn't be confused. She would be more likely angry that Daniel is telling her that like she is stupid (we all know what them hormones do) "'Was?!"...casting a scowl Daniel's way...'Und you told me und Monica zhat it waz..." If she is agitated then I would imagin she would retain some her German (or Prussian) accent when speaking.
When Julchen is trying to insult Daniel (after whispering to the baby) I don't think you quite understand what a bastard child is. A bastard child is an illegitimate child (one who's mother/father is not their other parent's wife/husband). If Julchen is trying to insult him by telling him the baby is a bastard child hen he would not react the way he did. More likely: "Shut-up, you (add insult[s] here) Prussian!" Daniel screamed at the woman who was currently running out laughing her... But silently a whisper barely autable, you could just make out "...I will always take care of my child..." Unfortunately if you were to add that last part you might have to revise the next paragraph to fit.
When Daniel had just finished massaging out his new headache (after discussing his relations with Julchen) "...all his anger got absorbed by the serenity the image his delicate wife gave him." to imply that anger was absorbed means that it was taken in by someone/something, instead try "all his anger dissipated upon the image of serenity that is his wife."
The part where Daniel is thinking to himself about reader when he says, "She is everything he loved about a female..." it almost feels demeaning, that someone who cares for you so deeply would simply say that you are is ideal type. Preferably it would be him expressing his love FOR her not the things about her that he loves. "She, was everything he could ever want and more. It was almost as if heaven had gifted him an angel, whom brought him new joy everyday and who he had come to love so deeply that the very idea of separation tore his heart... (assortment of compliments and stuff here)"
When describing reader's hair put "...her locks framed her dainty face..." instread of dandy face.
With the description of her favorite song thow in something can connect to reader's past like "that was my favorite carol growing up!"
"...kisses were shared between.... When the clock beat the 12 hours in the night, the exterior paintind a in a satin black..." it would be advised to say "...as the clock chimed out 12 times into the night...outside the the sky was painted black..." satin is a type of slick fabric much like silk and is not always black, actually when I think of satin I think red. And unless it is pitch black outdoors, like I can't even see my hands dark, there would be some lights be it from the moon, stars, or in this case Christmas lights, it should be described differently. I would personally recommend using something like, "Kisses were shared between the young couple, as the old clock sang out it's rhythmical chimes. Twelve times did it ring out, twelve times to mark the coming of midnight and a new day, a day still shrouded in the mystery of darkness dappled with the stars shining new hopes much like the new families future..."

It just occured to me how long I made this. I got a little carried away with it...sorry. All the revisions that I proposed need not be heeded and in no way should be reflected poorly on your story. I just got kind of wrapped up in it all. Please take my comments into consideration but if you choose not to use it thats fine.