と知って

knowing that

→ と
phrase Common #5,596
knowing that と marks the information being known; 知って connects it to what follows.
JA: 彼が来ないと知って、驚きました。
EN: Knowing that he wasn't coming, I was surprised.

近所まで来てあなたがいると知って―ちょっと寄ったの

I was in the neighborhood and found out you were here, so I thought I’d drop by.

— ビッグ・シック ぼくたちの大いなる目ざめ (2017)

僕がいると知ってあの学校に?

Did you go to that school knowing I was there?

— どん底作家の人生に幸あれ! (2019)

あんたがスパイだと知ってね彼はそう思ったのか?

Did he think that after finding out you were a spy?

— イングリッシュ・ペイシェント (1996)

自分が勝ったと知って驚いた。

I was surprised to find out that I had won.

私は手術が成功したと知って安心しました。

I was relieved to learn that the surgery was successful.