From the NASB...
20But when he had considered this, behold, an angel of the Lord appeared to him in a dream, saying, "(
A)Joseph, son of David, do not be afraid to take Mary as your wife; for the Child who has been [
a]conceived in her is of the Holy Spirit.
Footnotes:
- Matthew 1:20 Lit begotten
Darby...
20but while he pondered on these things, behold, an angel of [the] Lord appeared to him in a dream, saying, Joseph, son of David, fear not to take to [thee] Mary, thy wife, for that
which is begotten in her is of [the] Holy Spirit.
Young's Literal Translation...
20And on his thinking of these things, lo, a messenger of the Lord in a dream appeared to him, saying, `Joseph, son of David, thou mayest not fear to receive Mary thy wife, for that
which in her was begotten [is] of the Holy Spirit,