Lookes like she is a Dom. does she have a small up-turned spike at the end of her comb? Her tail is a little above 45*, but that is typical of hatchery Doms. Abe's tail is slightly under 45*, so they're offspring should be closer to SOP. Looks like she and the NN get along well.
Dominiques aren't nearly as heavy as BR or Marans. BR hens have deeper bodies and are longer in the back too. clicked on the photo and saw a closeup. Yet, pretty sure she is a Dom.

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