What are divorce laws in the year 907?

No. The legal relationship that made them your in-laws was legally dissolved. You can certainly remain friends and "family" if you have a good relationship with them.

No. The couple is legally married until they have been granted a divorce. That means they are legally entitled to each other's estate in the case of death.

i think like 4, 8, or 10

Requires six month 'cooling off' period before a final decree can be issued for one.

purchased a flat in zadar croatia, but title is only my husbands name. what are my legal rights