The interpretation timeline
Luke 20:28 Douay-Rheims

Saying: Master, Moses wrote unto us, If any man’s brother die, having a wife, and he leave no children, that his brother should take her to wife, and raise up seed unto his brother.

A.D. 253 – 1771 3 witnesses 4 excerpts

Patristic

before A.D. 750
253
A.D.
Origen Patristic
c. A.D. 184–253
“The heresy of the Sadducees not only denies the resurrection of the dead, but also believes the soul to die with the body. Watching then to entrap our Saviour in His words, they proposed a question just at the time when they observed Him teaching His disciples concerning the resurrection; as it follows, And they asked him, saying, Master, Moses wrote to us, If a brother, &c.”
Source
397
A.D.
Ambrose of Milan Patristic
A.D. 339–397
“According to the letter of the law, a woman is compelled to marry, however unwilling, in order that a brother may raise up seed to his brother who is dead. The letter therefore killeth, but the Spirit is the master of charity.”
“Mystically, this woman is the synagogue, which had seven husbands, as it is said to the Samaritan, Thou hadst five husbands, (John 4:18.) because the Samaritan follows only the five books of Moses, the synagogue for the most part seven. And from none of them has she received the seed of an hereditary offspring, and so can have no part with her husbands in the resurrection, because she perverts the spiritual meaning of the precept into a carnal. For not any carnal brother is pointed at, who should raise seed to his deceased brother, but that brother who from the dead people of the Jews should claim unto himself for wife the wisdom of the divine worship, and from it should raise up seed in the Apostles, who being left as it were unformed in the womb of the synagogue, have according to the election of grace been thought worthy to be preserved by the admixture of a new seed.”
Source

Post-Reformation

c. 1650 – 1900
1771
A.D.
John Gill Reformed
1697–1771
“And the third took her,.... To wife, by virtue of the same law: and in like manner the seven also; the other four, one after another, when all seven married her: and they left no children, and died; or they died, leaving no children behind them.”
Modern · 1953 →

The in-app commentary runs from the Fathers to the early-modern record, then stops — that's where the public-domain sources end, not where the reading does. For the modern reading, follow the sources directly.