yeah, this is my theory about Yeng Gor's familytree: Yeung Gor's father is Yeung Hong, right? Yeung Hong's father is Yeng Tet Sum, right? And he knows "Wui Ma Cheung" technique? Because "wui ma cheung" tehnique is Yang Saga's family technical we can presume Yeng Gor is related to example Yang Yin Chiu(the only male Yang warrior to remain alive and stay with the family)?
Who is Yang Yin Chiu's son/or son's son? <-- this son is Yang Tet Sum's father?