Within Anglicanism, what is the Biblical Basis for certainty that baptised infants who die will be saved?

In the Church of England [Book of Common Prayer](https://www.churchofengland.org/prayer-and-worship/worship-texts-and-resources/book-common-prayer/public-baptism-infants) the following statement is made: >It is certain by God's Word, that children which are baptized, dying before they commit actual sin, are undoubtedly saved. How, according to Anglicanism, is it certain? Please note, while this is a Biblical Basis Question, it is more about the C of E's biblical basis. The ideal answer will show that Cranmer or the other Reformers held this view.