death and ruin (honour killings) on their own clan (family/relations) - to bring ...

English Notes: 

Goblet: 16:31 ... which explains why people of your kind (human beings) who have fallen prey to this false love effectuate (create) hatred and jealousy in themselves, as well as a revengeful mentality and the urge for retaliation, by means of which they punish people of your kind (fellow human beings) with bloody deeds (death penalty) and also bring battles (wars) down on their own people or on other peoples, as they also wreak death and ruin on the people who live nearby (neighbours) or, out of a false sense of honour, also bring death and ruin (honour killings) on their own clan (family/relations).