Write a thank you card in Japanese (Kanji)

I would like it to say,
Thank you for always being there for me. Without the two of you, I don't know where I would be. I realize I do not thank you enough for everything. And for that, I apologize. I’m grateful for everything that you provide for our family and the sacrifices you make for us.

I don’t know what the 2 people did to you and your family, so it’s just a general thank you message.

Thank you for always being there for me. Without the two of you, I don't know where I would be.
色々とお世話になりました。あなた方お2人がいなかったら、大変なことになっていたことでしょう。

I realize I do not thank you enough for everything. And for that, I apologize.
お世話になったことに十分にお礼を言わなかったと気づきました。申し訳ありません。

I’m grateful for everything that you provide for our family and the sacrifices you make for us.
私たち家族にしていただいたことに本当に感謝します。