NET

20 When he had contemplated this, an angel of the Lord appeared to him in a dream and said, “Joseph, son of David, do not be afraid to take Mary as your wife, because the child conceived in her is from the Holy Spirit.

Darby

20 but while he pondered on these things, behold, an angel of [the] Lord^D6617 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.

Darby Bible Notes

Lord - 'Lord' without the article, signifying, as often, 'Jehovah.'

KJV

20 But while he thought on these things, behold, the angel of the Lord appeared unto him in a dream, saying, Joseph, thou son of David, fear not to take unto thee Mary thy wife: for that which is conceived in her is of the Holy Ghost.

Strong's

20 But ^G1161 while he^G846 thought on^G1760 these things^G5023, behold^G2400, the angel^G32 of the Lord^G2962 appeared^G5316 unto him^G846 in^G2596 a dream^G3677, saying^G3004, Joseph^G2501, thou son^G5207 of David^G1138, fear^G5399 not^G3361 to take^G3880 unto thee^G4675 Mary^G3137 thy wife^G1135: for^G1063 that which is conceived^G1080 in^G1722 her^G846 is^G2076 of^G1537 the Holy^G40 Ghost^G4151.