ischildof(t1.t1) (Should be 6 tasks)

No. Name Start End
1. Task 1.1.3.1 2003-01-01 00:00 2003-01-01 00:00
2. Task 1.1.3 2003-01-01 00:00 2003-01-01 00:00
3. Task 1.1.2 2003-01-01 00:00 2003-01-01 00:00
4. Task 1.1.1.2 2003-01-01 00:00 2003-01-01 00:00
5. Task 1.1.1.1 2003-01-01 00:00 2003-01-01 00:00
6. Task 1.1.1 2003-01-01 00:00 2003-01-01 00:00