Following are a number of back-translations of John 19:35:

• Ojitlán Chinantec: “I am John. I saw this happen. This testimony I know is true. Therefore I speak in order that you too, might believe.”
• Huehuetla Tepehua: “Well, I am the one who saw it and I am the one who says what happened. And what I say is the truth, I’m sure. In this way, you also can believe.” (Source for this and above: M. Larson / B. Moore in Notes on Translation February 1970, p. 1-125.)
• Uma: “The person who saw that happening, he is the one who says what he saw, so that you also believe. His words are true, and he really knows the truth.” (Source: Uma Back Translation)
• Yakan: “(The person who saw that happen to Isa, has written about this so that you believe. The person who wrote this is trustworthy and his testimony is true.)” (Source: Yakan Back Translation)
• Western Bukidnon Manobo: “I who am writing this, I testify that this is true because I saw it. I know that this which I write is true, and the reason I write it is so that you also might believe.” (Source: Western Bukidnon Manobo Back Translation)
• Kankanaey: “This that happened, it is thoroughly to-be-believed, because that’s what was confirmed/verified by the one who saw it. He for-sure knows that what he said is true, and his purpose in saying it is that you will also believe.” (Source: Kankanaey Back Translation)
• Tagbanwa: “The one who saw this is the one testifying so that you (pl.) will really believe. This which he is testifying is true. He really knows that this which he is telling is the truth.” (Source: Tagbanwa Back Translation)
• Tenango Otomi: “I who wrote this have put down what I saw. And it is true what I say. I know that what I saw is true so that you also will believe.” (Source: Tenango Otomi Back Translation)