Woe unto you! for ye build the sepulchres of the prophets, and your fathers killed them. Ye build the sepulchres - That is, ye rebuild and beautify them. See on Matthew 23:29 (note).
Related Commentaries of Luke 11:47
Luke 11:47
47 Woe unto you! for ye build the sepulchres of the prophets, and your fathers killed them.