Strong’s Hebrew
H4464 — mamzer
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
מַמְזֵר
mamzer — pronounced mam-zare
from an unused root meaning to alienate; a mongrel, i.e. born of a Jewish father and a heathen mother:--bastard.
2 occurrences in the KJV.
Deuteronomy 23:2
A bastard shall not enter into the congregation of the LORD; even to his tenth generation shall he not enter into the congregation of the LORD.
Zechariah 9:6
And a bastard shall dwell in Ashdod, and I will cut off the pride of the Philistines.