Solution

26352

First name
ines
Country
Age
0

0,1,2 added together is 3
1,2,3 added together is 6
2,3,4 added together is 9
3,4,5 added together is 12
4,5,6 added together is 15
They are all multiples of three(that is the amount of numbers)
The middle number multiplied by 3(because that is the amount of numbers being added together.