If your brother's daughter is married, you can write a red envelope in the following format:

I wish my brother's daughter a happy wedding and happiness!

Send (fill in the amount) yuan as a gift to express my best wishes to the bride and groom!

I wish you good things again and again, a happy family and a good marriage for a hundred years!

(signature)

Precautions:

1. Greetings can be modified according to your own preferences and cultural background.

2. The amount of gifts should take into account local customs, relationships and their own economic situation, and choose the appropriate amount.

When giving gifts, you must pay attention to the cleanliness of the gift packaging and the cover of the red envelope.

4. put clean money in the red envelope, and be careful not to show the denomination.

You can sign your family on the back of the envelope, and add greetings, titles, etc.

Finally, I wish my brother's daughter a happy wedding and happiness!