Answer to your question, no, Drin isn't Ramsay's full sibling.

Chapter 2

"I'll take you home again, my love, across the ocean wild and wide

To where your heart has ever been since you were first my darling bride. The roses all have left your cheek, I've watched them fade away and die

Your voice is sad when you speak and tears bedim your loving eyes. Oh, I will take you back, my love to where your heart will feel no pain

And when the fields are fresh and green I'II take you to your home again..."

"Good," Lord Bolton stated. "That was very good."

"Thank you, father," Drin replied.

She was sitting in the carriage opposite him and she needed to make sure that her every act was flawless. This was her final test before they would arrive Winterfell and she couldn't fail. Her father wouldn't tolerate failure. He had given her a proper education for a lady and now it was her turn to show him that she was worthy of all his efforts. She sat up her back straight, her hands folded in her lap. The position was uncomfortable, but that made no difference. She needed to act like a lady. Her father on the other hand was leaning back on his seat.

"Show me your smile," he ordered.

She obeyed, placing a polite and just a little shy smile on her face.

"Very good. Now pretend that I am one of your potential suitors. I have just introduced myself."

"Honor to meet you, my lord," she hummed softly, blinking her eyes few times.

"So, you are Lord Bolton's daughter?"

"Yes, my lord. My name is Drin."

Her father leaned toward her and placed his hand on her knee.

"You surely are a pretty girl."

"Thank you, my lord," she replied, keeping the smile on her face.

"No, no, no," Lord Bolton snapped. "Again."

This time he squeezed her knee.

"You surely are a pretty girl."

"Forgive me, my lord, I must go. My father is waiting for me."

"Better," he snorted. "I want you to be seductive, but also a shy maiden. Do you understand?"

"Yes, father."

"Show me."

She smiled and blinked her eyes shyly, biting her bottom lip the way Kara had taught. Kara had worked in a high-class brothel for a long time and her advices had been very useful. Drin believed that she understood men better after talking with her. Septa Silla had only told her what happened after the wedding, she hadn't said anything about seducing a man. It was just one big act. Her smile, the way she walked, every word she said... All of it needed to please the potential suitors.

She needed to make sure that her father would benefit from her marriage as much as possible. As far as her father was concerned, that was her sole purpose. It made no difference what she wanted. In fact, no one had ever asked her what she wanted. Her father had agreed to take her in because her mother had been beautiful and he had hoped that she would become beautiful as well. A useful tool.

She hadn't really thought about her marriage much, she had concentrated on her training, but now... Now it all started to feel real. Too real. She didn't want this. The whole thought was ridiculous, she needed to forget it. No one cared what she wanted.

"So, all the northern lords are coming?" Theon asked.

"Aye," Robb replied. "They come to honor and celebrate the old gods during the blood moon."

"I think I was a child the last time that happened."

"Aye, it's rare."

"Do we have enough room for all of them?" Jon wondered.

"I believe so," Robb replied. "Mother is preparing every chamber and room in Winterfell."

The whole Winterfell had been chaotic during the last two weeks, but Robb had no doubt that everything would be ready in time. This celebration was important to the whole North and it gave his father an opportunity to meet all his bannermen.

"I bet they have plenty of pretty maids with them," Theon stated grinning. "And young ladies."

"Careful, Theon," Robb huffed.

"Come on, I was kidding! Besides, I prefer experienced women anyway."

"I think everyone knows that," Jon stated.

"Just like everyone knows that you've never even seen a naked woman," Theon laughed.

"I have," Jon argued. "I just don't feel the need to constantly brag about it."

"Sure, Snow, whatever you say." Theon paused and looked at Robb. "So, are you looking forward to meeting pretty young ladies?"

"Why not," Robb replied. "Who wouldn't like a celebration."

"Any possible brides?"

"Not to my knowledge," Robb huffed. "Father has not said anything."

"I think Lady Stark is eagerly waiting for you to take a wife," Jon pointed out. "She has implied that many times."

"I know," Robb sighed. "It is not that simple. Not to me."

"Come on, you are the heir of Winterfell, you could have pretty much any woman you want!" Theon stated.

"Maybe, but I do not feel ready to take a wife."

"I know what you mean," Theon assured and tapped Robb's shoulder. "But you do know you don't have to settle for just one woman for the rest of your life? No man wants that! That's why we have salt wives."

"That is not acceptable here," Robb huffed.

"Fine, mistresses, or whatever you want to call them. My point is marriage does not have to change anything."

"It does," Jon argued. "It changes everything."

"That's ridiculous," Theon huffed. "Do not listen to him, Robb."

"Could we please stop talking about this," Robb snorted. "I am not taking a wife any time soon."

"Fine, whatever you say," Theon replied.

Robb pressed his lips together; he really didn't want to talk about this. Marriage was the last thing he wanted to think about. Obviously, he knew that he would have to take a wife sooner or later, but hopefully that would be later.