Yes, you can get the information. There are potentially 2 places the information could be - in the criminal division or the family division (even though they weren't married).
What your going to have to do is go to the court house and look up their names. Then once you have found their names in the index - the index will also tell you the file number. Then ask the clerk to look at the file. The clerk will give you the file and then you can even make a copy of such or whatever you want within the file - it's a public record.
Then you can use that information in whatever case your in currently - it's called res judicata.
Res iudicata or res judicata (RJ) is the Latin term for "a matter [already] judged".
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