(AN: I Shall get this out the way before upsets can be made. I can only assume Baelon and his wife was taking resident in King's landing when giving birth to the OC. There isn't any information even about the birth place of Daemon or Viserys. I apologies if its not matching up with Canon, also I've started to realise how messed up House of Dragons comes to with ages of characters. So I'm definitely going to butcher it. Things will be changed for example, Rhaenyra's age in episode one will be 11 not 9 or 15. I'm trying to keep it in the middle.)
[King's Landing, 88 AC]
Prince Baelon was sweating, pacing back-forth in his bed chamber's. He couldn't help it. Since four years ago, almost losing her, he had started to grow over protected of her. And despite his caution, here he was, in the same situation as before, awaiting his love to give birth.
If only she didn't whisper sweet reassurance. In the end, he still got her pregnant. He didn't want to lose her, nevermind a child again.
Yet thankfully despite the conflicts surrounding his sister's, Saera and Viserra. His father and mother, King Jaehaerys I and Lady Alyssane , although getting old in age tried to assure him like his wife, greatly decreasing his growing anxiety. As best as they could with three of their daughters now deceased.
No one but his young son's helped him the most though. Viserys and Daemon Targaryen. They were brimming with happiness of the possibility of another sibling. Daemon most certainly. The free spirited seven name day old couldn't stop talking about it. If only Aegon was alive...
But it was here nor their. Somethings couldn't be stopped, By the Valyrian God's, only if. He had to look on the bright side, now he will have three children, further increasing House Targaryen's numbers.
He waited then, each minute felt like an hour. Every second he just simply had the urge to take his wife and ride away on dragon back. No one would disturb them with Vhagar there.
You could say he was worrying too much. On the other hand, he himself thought not. After she escaped death, Baelon felt a foreboding aura radiate off Alyssa as if her time alive on this world was running out. He'd try to keep her on it as best as possible.
So when the door slowly creeked open, walking in to reveal mid wife's and doctors. He understood. Sh-She was no more.
All that was left is the baby sleeping peacefully in the hand of a mid wife. Something deep down ripped at him, another half had been casted away. Now with his wife gone, despite with the baby seemingly fine. He wasn't. He has lost his other half.
...But now wasn't the time to be taken by his emotions. The best he could do for her now was to keep this baby safe, for her and his children.
And so he took the little bundle of flesh in his hands. He felt it yet again holding another one of his children, he was washed away from his thoughts and focused on the child.
At least he wasn't alone, although his other hollow said otherwise. He had his kids.
"It is a boy, my Prince. A healthy Dragon." A mid wife said in a low tone. Rubbing his index across the cheek of the baby, Baelon uttered curiously. "Has... Alyssa named him?"
No one said anything until a young girl almost looked to be one and seven nameday old said. "Aegor, my lord. She uttered before lying to rest." Thanking the girl, Baelon whispered wistfully underneath his breath.
"... Aegor... Aegor Targaryen..."
As although the baby was hearing for the first time his name, the baby roared a might cry. 'A set of fine lungs. Like a dragon.' Baelon thought.
The baby gripped his finger, so very tight, like he was holding onto it for deaf life. One that made Baelon proud. A strong Targaryen. So, he decided. Raising the baby, Baelon decided right there and then to announce his third and finally son.
" From this day forth, your name shall be Aegor! Aegor Targaryen, son of Baelon Targaryen and Alyssa Targaryen! Grandson of Jaehaerys, first of his name and Queen Alyssane!"
Cheers rained in the room. Today a dragon was lost, but anew one was born. A young hatchling, with endless amount of opportunity. It didn't matter he was the third son, today he was treated like a firstborn.
It didn't take long before Daemon, Viserys and soon to be wife, Aemma Arryn arrived at the door to be greeted to Baelon and their new sibling/brother-in-law. The one and six viserys was the first one to grab the kid with the cooing of Aemma, all while Daemon marvelled at finally being a older brother.
"He looks like mother." Viserys said softly. Aemma and Daemon nodding. Daemon than groaned. "When can I hold him?" Viserys found it amusing, rarely does daemon act his age. Chuckling, he carefully handed Aegor to his younger brother whom awaited open armed.
Seeing the 7 name day daemon holding Aegor, Viserys, Baelon and Aemma to crack a smile at the cute image. Viserys glanced away, feeling something amist. When he did, he instantly came to a realization. Where was his mother?
Then suddenly a heavy hand came down upon his shoulder. "We need to speak, Viserys." His father's voice low to not attract the cute pair in front of them. Viserys nodded, dread filling him.
What came after gaining some distance from his younger siblings, was tears, unbridled amount of silent tears. He couldn't scream or mourn loudly, only the hand of his father's on his shoulder to make it bearable.
Thankfully, before he could register, Aemma's arms wrapped around his chest. The soft sensation of her chest pressing on his back. A hugged he needed at this time.
All this was watched by Baelon and Daemon. Stood beside now, Baelon wanted to cry yet seeing the confusion in Daemon's eyes. He knew he'd after to confess of his wife's demise to his middle child. And so, he held strong and waited until the loving moment between Viserys and Aemma was over.
It didn't take long before his oldest rubbed the tears away and with the help of his son explained to daemon of Alyssa's fate. He was always close to her more than even Baelon himself, if there was anyone that cried the most and was the most effected was Daemon.
Daemon cried and cried until his eyes were almost drooping. The hugging from his father and brother couldn't do anything to bring back his mother. Aemma felt helpless seeing such a free-spirited Daemon break down. He just started his training as well, on his way to become a proud Knight of Westoros.
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Days passed, it had already spread around all of Westoros about the early death of Alyssa Targaryen. Her death was on everyone's lips now, wherever you went, the subject of her death would be brought up. When King Jaehaerys and Queen Alyssane heard wind of the death, they immediately set on dragon back to make their way to King's Landing.
Everyone mourned that day. Lined up with his son's, Baelon witnessed his love one burn by Dragon breath. Forever to be taken away and never seen again. His brother, Aemon was there to try and ease his pain but even his children and family couldn't do nothing. He was alone, his obligation to look after his family keeping him alive.