Strong's #815: ateknos (pronounced at'-ek-nos)

from 1 (as a negative particle) and 5043; childless:--childless, without children.

Thayer's Greek Lexicon:

̓́

ateknos

1) without offspring, childless

Part of Speech: adjective

Relation: from G1 (as a negative particle) and G5043

Usage:

This word is used 3 times:

 

Luke 20:28: "and he die without children, that his brother should take"
Luke 20:29: "took a wife, and died without children."
Luke 20:30: "and he died childless."