Old English bantam roo successfully breeding Brahma hen

[Chicks4love28]

I have an old English bantam roo who is very small and a Brahma hen. Do you think he is successfully breeding her and fertilizing her eggs? She is broody now and not in a safe place, but determined to hatch. What are your thoughts fertilized eggs or no? TIA

 

[LilJoe]

I'd crack a few of her eggs open to be sure... There's a possibility they could be