Although the legal systems in Scotland and England are very different on many fronts, one common factor between the two jurisdictions in family matters is that the Courts will make decisions based on the best interests of the children.
It may not provide all the answers but please look at the guidelines from Midland Region Family Court which detail what the Courts expect from all separating parents, regardless of situation and background.
If you would like advice, please contact our Family Law team who have considerable experience with clients who find themselves in this situation.