Does retracting from an oath nullify it

Question:

Shaykh Hassan may Allāh bless you and benefit by you, a brother said to his wife if you give my brothers children anything, you are divorced.

What is the ruling of this speech, and if he retracted from this speech of his how is the affair?

Answer:

Yes, he is to retract from this speech of his and expiate the expiation of Al-Yamīn (an oath), and Allāh knows best.

Answered by:
Shaykh Abu Hamza Hassan bin Muhammed Bā Shu’ayb -may Allah preserve him-

Source:
https://t.me/Bashuaib/5752

Translated by: 
Abu ‘Abdillāh ‘Omar bin Yayha Al-‘Akawi