Are you wandering what kind of clan designation you should have?
For example myself. My name is Michael Villacorta Maniquis (S7).
I used S7 because I am a 7th generation from Carlos Agustin Maniquiz through Santiago Clan
The designation goes like this:

It would be easy to find out which clan designation you should use if you know at least your great grandparents name.
The book goes only as far as 6th or 7th generation.

Alejandro Dionisio Miguel Santiago

Name	Generation	Who Is
Carlos	1st
Santiago	2nd
Juan	3rd
Pablo	4th
Joaquin	5th	My grandfather
Juanito	6th	My father
Michael	7th	This is me
Matthew	8th	My son
????	9th	This will be my future grandkids