Thank you for your suggestions.
> 1. Календар подій (дні народження, вінчання, смерті)
The idea of a calendar of main events of the tree (birthdays, weddings,
deaths) is interesting.
I'll keep in mind.
> 2. Формування дерева списком і графіком прямі предки, нащадки. (Всі, і
> померлі предки)
Not sure to understand... Do you mean that the diagram displays only
direct ancestors and descendants?
This is already possible.
Try to play with Diagram settings: set high numbers for Ancestors and
Descendants, and zero for all other sliders.