I'm breeding second generation mixes, my roo is actually more than that, his sire was a mixed breed with maybe some Orpington in him, his momma was a hatchery barred rock. I have unrelated hens that are easter egger/brown leghorn mixes. I've hatched out some babies from that mix and the pullets...
He's only part. Look at pictures of bure barred rock roosters, they're a lot lighter overall. The leg color is also off, looks like, and the overall body shape isn't really a rock.
I have a part barred rooster and have hatched some of his babies, some are very pretty, some, well, not so much...
I don't know about your hen, but is that your rooster in the same pic, you can only see his tail? If that's him, I think he's only part barred, not fully barred as his color is so dark.
A pure barred rooster has two copies of the barring gene and passes one on to each offspring. So, all his...