に as the subject marker?


In an anime I was watching the other day, I heard the bellow phrase. I don't
remember whose name it was or which anime it was, so I'll just replace it with
a generic name:

> アリスに分かってる.

The speaker was Alice, and it was translated as "Alice knows [about it]". I
find this odd. Wouldn't the に particle refer to the thing that the person is
"understanding" or "knowing" in that instance? I am confused why it's not

> [私が]それにわかってる




分かる is a potential verb, and therefore takes に.

  * [Use of に in 「私には本物の若殿様がわかります」](https://japanese.stackexchange.com/q/24955/5010)
  * [How to denote the object and the subject of potential form verbs clearly?](https://japanese.stackexchange.com/q/40586/5010)
  * [Why say "〜、皆には出来る。" instead of " 〜、皆は出来る。" in this context?](https://japanese.stackexchange.com/q/36481/5010)

Note that this sentence would be much more natural if there is a topic marker,
は:

> アリスには(それが)分かっている。 Alice knows (it).

In case you don't know why ～ている is used, check
[this](https://japanese.stackexchange.com/a/38773/5010).




分かる is a potential verb, and therefore takes に.

  * [Use of に in 「私には本物の若殿様がわかります」](https://japanese.stackexchange.com/q/24955/5010)
  * [How to denote the object and the subject of potential form verbs clearly?](https://japanese.stackexchange.com/q/40586/5010)
  * [Why say "〜、皆には出来る。" instead of " 〜、皆は出来る。" in this context?](https://japanese.stackexchange.com/q/36481/5010)

Note that this sentence would be much more natural if there is a topic marker,
は:

> アリスには(それが)分かっている。 Alice knows (it).

In case you don't know why ～ている is used, check
[this](https://japanese.stackexchange.com/a/38773/5010).

