He was open and honest about his divorce
How would you know whether he was either open or honest? You barely know they guy, & it's not exactly like you can corroborate his version of events with anyone else involved.
said it was due to his ex cheating on him with a family friend
He said, he said ... there is no way you can know if he's being truthful or not about this.
he also mentioned that she’d taken a restraining order out against him and he was not allowed near the family home at the time which was done in a malicious way and according to the courts, she had been proven to lie a lot.
Oh come on OP, pull yourself together & get logical.
Do you know how difficult it is to obtain a restraining order?
Do you imagine they are handed out to people acting on malicious motives?
If the court believed his ex to be a liar, they would not have granted the RO. Therefore, she was telling the truth.
He’s a great dad,
😂Again - how would YOU know?
shares custody and seems very responsible towards his family
How does he share custody? What %? Does he pay maintenance & for extras for his kids? In what way does he demonstrate responsibility?
This is all WORDS.
You can't know if any of it is true until you've stuck around long enough to find out. And if he's a great dad he won't be introducing you to his kids for at least a year, so you'll have no picture of what's he's like with them.
Still, a year should be long enough for you to work out why his ex needed a RO.
Or - you could cut out the arseache & just not date men who need a court to tell them to leave women alone ...