Niu Chenying
Chenchen is a common female name. It can match your last name better.
The character Ying is recommended for the name Teng, and it can match well with the character Chen used for naming.
The word Chen means early morning, morning brightness, and morning glory; Ying means intelligence, enlightenment, and uniqueness, and its meaning is beautiful.
The pronunciation of the melody niu, chen, and ying are niú, chén, and yǐng, and the intonations are yangping, yangping, and shangteng, and the pronunciation is good.
The font Niu is a single character with 4 strokes; Chen is an up-and-down structure with 11 strokes; Ying is a left-right structure with 13 strokes; the font is beautiful and easy to write.
The meaning of the name can be interpreted as: "Morning Star? Yingtuo". The idiom "rising in the morning and sleeping at night" stands out and expands the artistic conception of the name.
I don’t know if this name suits your liking. I also wish your babies health and happiness here. Finally, I wish you good luck.