Whether those of illegitimate birth should be debarred from receiving Orders?

Objections

Objection 1 : It would seem that those who are of illegitimate birth should not be debarred from receiving Orders. For the son should not bear the iniquity of the father (Ezech. 18:20); and yet he would if this were an impediment to his receiving Orders. Therefore, etc.
Objection 2 : Further, one's own fault is a greater impediment than the fault of another. Now unlawful intercourse does not always debar a man from receiving Orders. Therefore neither should he be debarred by the unlawful intercourse of his father.