If in class diagram I have a parent "Account" and three childs "Child1", "Child2", and "Admin". The "Admin" has control over "Child1" and "Child2" accounts. Will the relation be like this?
The diagram is is close to what you said. But, just going by the names,
Child2 should not be classes. Those names are instances of
Also, according to the zero one infinity rule, in a design, there is no such thing as 2. Everything is either zero, one, or some arbitrary user configurable number. That's what the * you used is. A design with a 2 in it should raise your eyebrows.