en_tn_condensed/luk/11/50.md

this generation will be charged for all the blood of the prophets shed since the foundation of the world

God will hold the people to whom Jesus is speaking responsible for the murder of the prophets by their ancestors. Alternate translation: "God will hold this generation responsible for the deaths of all the prophets whom people have killed since the foundation of the world" (See: rc://en/ta/man/jit/figs-activepassive)

for all the blood of the prophets shed

The "blood ... shed" refers to the blood that was spilled when the prophets were killed. Alternate translation: "for all the murders of the prophets" (See: rc://en/ta/man/jit/figs-metonymy)

since the foundation of the world

The author speaks of the world as if it were a building set on a foundation. Alternate translation: "since the creation of the world" or "since God created the world" (See: rc://en/ta/man/jit/figs-metaphor)