From Textus Receptus
3439 monogenes mon-og-en-ace’
from 3441 and 1096; TDNT-4:737,606; adj
AV-only begotten 6, only 2, only child 1; 9
1) single of its kind, only
1a) used of only sons or daughters (viewed in relation to their parents)
1b) used of Christ, denotes the only begotten son of God