G0815–ἄτεκνος–ateknos

demanded of him saying, Teacher, Moses wrote to us, If any one's brother, who has a wife, die, and he die childless, his brother shall take the wife and raise up seed to his brother.

ἄτεκνος ateknos “childless”

There were then seven brethren: and the first, having taken a wife, died childless;

ἄτεκνος, ateknos “childless,”

and the second [ergänzt: took the woman, and *he* died childless];

ἄτεκνος ateknos “childless”