Following are a number of back-translations of Revelation 7:14:

• Uma: “I answered him, ‘I do not know them. Tell me.’ [So] he did tell me: ‘Those are people who have already passed the very big Time of Persecution. They laundered their clothes and made them white [or can be taken passively: Their clothes were laundered and made white] with the blood of the Lamb.” (Source: Uma Back Translation)
• Yakan: “‘I don’t know, Sir. You are the one who knows it,’ that is what I answered. He said to me, ‘They are the people who have experienced the great persecution/suffering. They have washed their clothes in the blood of the Sheep and they are white now, that means their sins have been removed.” (Source: Yakan Back Translation)
• Western Bukidnon Manobo: “And I answered, ‘You are the one who knows.’ And he said, ‘These people come from the great tribulation there on the earth. They have washed their clothing in the blood of the young sheep to make it white, which is to say, their sins have been removed.” (Source: Western Bukidnon Manobo Back Translation)
• Kankanaey: “‘I don’t know, sir. Kindly tell (me),’ I said in reply. Then he said, ‘These are the ones who joined-in-experiencing the time of fearful hardship. They laundered their clothes in the blood of the Sheep so they would-become-white.” (Source: Kankanaey Back Translation)
• Tagbanwa: “I answered, saying, ‘Respects to you, I don’t know. I don’t know where those have come from. Probably you are the one who knows.’ He said next to me, ‘They are the ones who experienced great hardship, but even though it was like that, they didn’t give-up/let-go but on the contrary their believing/obeying held fast. They really have cleaned their clothes and made them white in/by the blood of this Young Sheep.” (Source: Tagbanwa Back Translation)
• Tenango Otomi: “I then said: ‘Listen, sir, it is you who know about them. He said: ‘Those are the ones who suffered overflowing suffering. And they have washed their clothing, they whitened it with the blood of the Lamb.” (Source: Tenango Otomi Back Translation)